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JS: add xss test cases with unknownflags for replace using RegExp
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‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/ConsistencyDomBasedXss.expected‎

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| tst.js:510 | did not expect an alert, but found an alert for HtmlInjection | OK -- currently flagged, but might introduce a lot of false positives. | |

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

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@@ -1148,6 +1148,15 @@ nodes
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| tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash |
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| tst.js:501:43:501:62 | window.location.hash |
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| tst.js:508:7:508:39 | target |
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| tst.js:508:16:508:39 | documen ... .search |
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| tst.js:508:16:508:39 | documen ... .search |
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| tst.js:509:18:509:23 | target |
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| tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:510:18:510:23 | target |
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| tst.js:510:18:510:70 | target. ... )), '') |
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| tst.js:510:18:510:70 | target. ... )), '') |
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| typeahead.js:20:13:20:45 | target |
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| typeahead.js:20:22:20:45 | documen ... .search |
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| typeahead.js:20:22:20:45 | documen ... .search |
@@ -2331,6 +2340,14 @@ edges
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:508:7:508:39 | target | tst.js:509:18:509:23 | target |
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| tst.js:508:7:508:39 | target | tst.js:510:18:510:23 | target |
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| tst.js:508:16:508:39 | documen ... .search | tst.js:508:7:508:39 | target |
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| tst.js:508:16:508:39 | documen ... .search | tst.js:508:7:508:39 | target |
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| tst.js:509:18:509:23 | target | tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:509:18:509:23 | target | tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:510:18:510:23 | target | tst.js:510:18:510:70 | target. ... )), '') |
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| tst.js:510:18:510:23 | target | tst.js:510:18:510:70 | target. ... )), '') |
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| typeahead.js:20:13:20:45 | target | typeahead.js:21:12:21:17 | target |
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| typeahead.js:20:22:20:45 | documen ... .search | typeahead.js:20:13:20:45 | target |
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| typeahead.js:20:22:20:45 | documen ... .search | typeahead.js:20:13:20:45 | target |
@@ -2623,6 +2640,8 @@ edges
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| tst.js:491:23:491:45 | locatio ... bstr(1) | tst.js:491:23:491:35 | location.hash | tst.js:491:23:491:45 | locatio ... bstr(1) | Cross-site scripting vulnerability due to $@. | tst.js:491:23:491:35 | location.hash | user-provided value |
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| tst.js:494:18:494:40 | locatio ... bstr(1) | tst.js:494:18:494:30 | location.hash | tst.js:494:18:494:40 | locatio ... bstr(1) | Cross-site scripting vulnerability due to $@. | tst.js:494:18:494:30 | location.hash | user-provided value |
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| tst.js:501:33:501:63 | decodeU ... n.hash) | tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) | Cross-site scripting vulnerability due to $@. | tst.js:501:43:501:62 | window.location.hash | user-provided value |
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| tst.js:509:18:509:54 | target. ... "), '') | tst.js:508:16:508:39 | documen ... .search | tst.js:509:18:509:54 | target. ... "), '') | Cross-site scripting vulnerability due to $@. | tst.js:508:16:508:39 | documen ... .search | user-provided value |
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| tst.js:510:18:510:70 | target. ... )), '') | tst.js:508:16:508:39 | documen ... .search | tst.js:510:18:510:70 | target. ... )), '') | Cross-site scripting vulnerability due to $@. | tst.js:508:16:508:39 | documen ... .search | user-provided value |
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| typeahead.js:25:18:25:20 | val | typeahead.js:20:22:20:45 | documen ... .search | typeahead.js:25:18:25:20 | val | Cross-site scripting vulnerability due to $@. | typeahead.js:20:22:20:45 | documen ... .search | user-provided value |
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| v-html.vue:2:8:2:23 | v-html=tainted | v-html.vue:6:42:6:58 | document.location | v-html.vue:2:8:2:23 | v-html=tainted | Cross-site scripting vulnerability due to $@. | v-html.vue:6:42:6:58 | document.location | user-provided value |
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| various-concat-obfuscations.js:4:4:4:31 | "<div>" ... </div>" | various-concat-obfuscations.js:2:16:2:39 | documen ... .search | various-concat-obfuscations.js:4:4:4:31 | "<div>" ... </div>" | Cross-site scripting vulnerability due to $@. | various-concat-obfuscations.js:2:16:2:39 | documen ... .search | user-provided value |

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

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| tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash |
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| tst.js:501:43:501:62 | window.location.hash |
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| tst.js:508:7:508:39 | target |
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| tst.js:508:16:508:39 | documen ... .search |
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| tst.js:508:16:508:39 | documen ... .search |
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| tst.js:509:18:509:23 | target |
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| tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:510:18:510:23 | target |
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| tst.js:510:18:510:70 | target. ... )), '') |
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| tst.js:510:18:510:70 | target. ... )), '') |
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| typeahead.js:9:28:9:30 | loc |
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| typeahead.js:9:28:9:30 | loc |
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| typeahead.js:9:28:9:30 | loc |
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:501:43:501:62 | window.location.hash | tst.js:501:33:501:63 | decodeU ... n.hash) |
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| tst.js:508:7:508:39 | target | tst.js:509:18:509:23 | target |
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| tst.js:508:7:508:39 | target | tst.js:510:18:510:23 | target |
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| tst.js:508:16:508:39 | documen ... .search | tst.js:508:7:508:39 | target |
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| tst.js:508:16:508:39 | documen ... .search | tst.js:508:7:508:39 | target |
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| tst.js:509:18:509:23 | target | tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:509:18:509:23 | target | tst.js:509:18:509:54 | target. ... "), '') |
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| tst.js:510:18:510:23 | target | tst.js:510:18:510:70 | target. ... )), '') |
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| tst.js:510:18:510:23 | target | tst.js:510:18:510:70 | target. ... )), '') |
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| typeahead.js:9:28:9:30 | loc | typeahead.js:10:16:10:18 | loc |
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| typeahead.js:9:28:9:30 | loc | typeahead.js:10:16:10:18 | loc |
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| typeahead.js:9:28:9:30 | loc | typeahead.js:10:16:10:18 | loc |

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/tst.js‎

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@@ -503,3 +503,10 @@ function Foo() {
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};
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Object.assign(this, obj);
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}
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function nonGlobalSanitizer() {
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var target = document.location.search
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$("#foo").html(target.replace(new RegExp("<|>"), '')); // NOT OK
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$("#foo").html(target.replace(new RegExp("<|>", unknownFlags()), '')); // OK -- currently flagged, but might introduce a lot of false positives.
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$("#foo").html(target.replace(new RegExp("<|>", "g"), '')); // OK
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}

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