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fix(security): validate redirect_uri to prevent open redirect attacks #52

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Merged
lakhansamani merged 1 commit into from
Apr 5, 2026
+19 −2
Merged

fix(security): validate redirect_uri to prevent open redirect attacks #52

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21 changes: 19 additions & 2 deletions src/components/AuthorizerResetPassword.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,20 @@ import { Message } from './Message';
import { getSearchParams } from '../utils/url';
import PasswordStrengthIndicator from './PasswordStrengthIndicator';

function isValidRedirectUri(uri: string, allowedRedirect?: string): boolean {
try {
const url = new URL(uri, window.location.origin);
if (url.origin === window.location.origin) return true;
if (allowedRedirect) {
const allowed = new URL(allowedRedirect);
if (url.origin === allowed.origin) return true;
}
return false;
} catch {
return false;
}
}

type Props = {
showOTPInput?: boolean;
onReset?: (res: any) => void;
Expand Down Expand Up @@ -65,8 +79,11 @@ export const AuthorizerResetPassword: FC<Props> = ({
if (onReset) {
onReset(res);
} else {
window.location.href =
redirect_uri || config.redirectURL || window.location.origin;
const fallback = config.redirectURL || window.location.origin;
const target = redirect_uri && isValidRedirectUri(redirect_uri, config.redirectURL)
? redirect_uri
: fallback;
window.location.href = target;
}
} catch (err) {
setError(formatErrorMessage((err as Error).message));
Expand Down
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