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bananabr
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included JavaScript drag and drop API Xss sources
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‎javascript/ql/lib/javascript.qll‎

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@@ -88,6 +88,7 @@ import semmle.javascript.frameworks.D3
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import semmle.javascript.frameworks.data.ModelsAsData
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import semmle.javascript.frameworks.DateFunctions
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import semmle.javascript.frameworks.DigitalOcean
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import semmle.javascript.frameworks.DragAndDrop
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import semmle.javascript.frameworks.Electron
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import semmle.javascript.frameworks.EventEmitter
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import semmle.javascript.frameworks.Files

‎javascript/ql/lib/semmle/javascript/frameworks/DragAndDrop.qll‎

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/**
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* Provides predicates for reasoning about dragAndDrop data.
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*/
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import javascript
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/**
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* Gets a jQuery "drop" event.
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* E.g. `e` in `$("#foo").on("drop", function(e) { ... })`.
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*/
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private DataFlow::SourceNode jQueryDropEvent(DataFlow::TypeTracker t) {
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t.start() and
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exists(DataFlow::CallNode call |
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call = JQuery::objectRef().getAMethodCall(["bind", "on", "live", "one", "delegate"]) and
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call.getArgument(0).mayHaveStringValue("drop")
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|
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result = call.getCallback(call.getNumArgument() - 1).getParameter(0)
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)
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or
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exists(DataFlow::TypeTracker t2 | result = jQueryDropEvent(t2).track(t2, t))
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}
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/**
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* Gets a DOM "drop" event.
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* E.g. `e` in `document.addEventListener("drop", e => { ... })`.
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*/
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private DataFlow::SourceNode dropEvent(DataFlow::TypeTracker t) {
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t.start() and
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exists(DataFlow::CallNode call | call = DOM::domValueRef().getAMemberCall("addEventListener") |
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call.getArgument(0).mayHaveStringValue("drop") and
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result = call.getCallback(1).getParameter(0)
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)
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or
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t.start() and
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result = jQueryDropEvent(DataFlow::TypeTracker::end()).getAPropertyRead("originalEvent")
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or
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exists(DataFlow::TypeTracker t2 | result = dropEvent(t2).track(t2, t))
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}
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/**
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* Gets a reference to the dragAndDropData DataTransfer object.
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* https://developer.mozilla.org/docs/Web/API/HTML_Drag_and_Drop_API
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*/
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private DataFlow::SourceNode dragAndDropDataTransferSource(DataFlow::TypeTracker t) {
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t.start() and
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exists(DataFlow::PropRead read | read = result |
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read.getPropertyName() = "dataTransfer" and
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read.getBase().getALocalSource() = dropEvent(DataFlow::TypeTracker::end())
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)
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or
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exists(DataFlow::TypeTracker t2 | result = dragAndDropDataTransferSource(t2).track(t2, t))
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}
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/**
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* A reference to data from the dragAndDrop. Seen as a source for DOM-based XSS.
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*/
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private class DragAndDropSource extends RemoteFlowSource {
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DragAndDropSource() {
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this = dragAndDropDataTransferSource(DataFlow::TypeTracker::end()).getAMethodCall("getData")
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}
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override string getSourceType() { result = "DragAndDrop data" }
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}

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/Xss.expected‎

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@@ -295,6 +295,26 @@ nodes
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| dates.js:61:42:61:86 | dayjs.s ... (taint) |
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| dates.js:61:81:61:85 | taint |
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| dates.js:61:81:61:85 | taint |
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| dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
@@ -1318,6 +1338,17 @@ edges
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| dates.js:61:42:61:86 | dayjs.s ... (taint) | dates.js:61:31:61:88 | `Time i ... aint)}` |
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| dates.js:61:81:61:85 | taint | dates.js:61:42:61:86 | dayjs.s ... (taint) |
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| dates.js:61:81:61:85 | taint | dates.js:61:42:61:86 | dayjs.s ... (taint) |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
@@ -2082,6 +2113,10 @@ edges
20822113
| dates.js:57:31:57:101 | `Time i ... aint)}` | dates.js:54:36:54:55 | window.location.hash | dates.js:57:31:57:101 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:54:36:54:55 | window.location.hash | user-provided value |
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| dates.js:59:31:59:87 | `Time i ... aint)}` | dates.js:54:36:54:55 | window.location.hash | dates.js:59:31:59:87 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:54:36:54:55 | window.location.hash | user-provided value |
20842115
| dates.js:61:31:61:88 | `Time i ... aint)}` | dates.js:54:36:54:55 | window.location.hash | dates.js:61:31:61:88 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:54:36:54:55 | window.location.hash | user-provided value |
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| dragAndDrop.ts:15:25:15:28 | html | dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:15:25:15:28 | html | Cross-site scripting vulnerability due to $@. | dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | user-provided value |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | Cross-site scripting vulnerability due to $@. | dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | user-provided value |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | Cross-site scripting vulnerability due to $@. | dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | user-provided value |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | Cross-site scripting vulnerability due to $@. | dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | user-provided value |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | Cross-site scripting vulnerability due to $@. | event-handler-receiver.js:2:49:2:61 | location.href | user-provided value |
20862121
| express.js:7:15:7:33 | req.param("wobble") | express.js:7:15:7:33 | req.param("wobble") | express.js:7:15:7:33 | req.param("wobble") | Cross-site scripting vulnerability due to $@. | express.js:7:15:7:33 | req.param("wobble") | user-provided value |
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| jquery.js:7:5:7:34 | "<div i ... + "\\">" | jquery.js:2:17:2:40 | documen ... .search | jquery.js:7:5:7:34 | "<div i ... + "\\">" | Cross-site scripting vulnerability due to $@. | jquery.js:2:17:2:40 | documen ... .search | user-provided value |

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/XssWithAdditionalSources.expected‎

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Original file line numberDiff line numberDiff line change
@@ -295,6 +295,26 @@ nodes
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| dates.js:61:42:61:86 | dayjs.s ... (taint) |
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| dates.js:61:81:61:85 | taint |
297297
| dates.js:61:81:61:85 | taint |
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| dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
298318
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
299319
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
300320
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
@@ -1368,6 +1388,17 @@ edges
13681388
| dates.js:61:42:61:86 | dayjs.s ... (taint) | dates.js:61:31:61:88 | `Time i ... aint)}` |
13691389
| dates.js:61:81:61:85 | taint | dates.js:61:42:61:86 | dayjs.s ... (taint) |
13701390
| dates.js:61:81:61:85 | taint | dates.js:61:42:61:86 | dayjs.s ... (taint) |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:11:8:50 | html | dragAndDrop.ts:15:25:15:28 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
1396+
| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:8:18:8:50 | dataTra ... /html') | dragAndDrop.ts:8:11:8:50 | html |
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| dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') | dragAndDrop.ts:24:23:24:57 | e.dataT ... /html') |
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| dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') | dragAndDrop.ts:29:19:29:53 | e.dataT ... /html') |
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| dragAndDrop.ts:33:19:33:67 | e.origi ... /html') | dragAndDrop.ts:33:19:33:67 | e.origi ... /html') |
13711402
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
13721403
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
13731404
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/dragAndDrop.ts‎

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$("#foo").on("drop", drop);
2+
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function drop(e) {
4+
const { dataTransfer } = e.originalEvent;
5+
if (!dataTransfer) return;
6+
7+
const text = dataTransfer.getData('text/plain');
8+
const html = dataTransfer.getData('text/html');
9+
if (!text && !html) return;
10+
11+
e.preventDefault();
12+
13+
const div = document.createElement('div');
14+
if (html) {
15+
div.innerHTML = html; // NOT OK
16+
} else {
17+
div.textContent = text;
18+
}
19+
document.body.append(div);
20+
}
21+
22+
export function install(el: HTMLElement): void {
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el.addEventListener('drop', (e) => {
24+
$("#id").html(e.dataTransfer.getData('text/html')); // NOT OK
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})
26+
}
27+
28+
document.addEventListener('drop', (e) => {
29+
$("#id").html(e.dataTransfer.getData('text/html')); // NOT OK
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});
31+
32+
$("#foo").bind('drop', (e) => {
33+
$("#id").html(e.originalEvent.dataTransfer.getData('text/html')); // NOT OK
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});

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