{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/33402?format=json","vulnerability_id":"VCID-rcvr-9ews-tfab","summary":"XSS via JQLite DOM manipulation functions in AngularJS\n### Summary\nXSS may be triggered in AngularJS applications that sanitize user-controlled HTML snippets before passing them to `JQLite` methods like `JQLite.prepend`, `JQLite.after`, `JQLite.append`, `JQLite.replaceWith`, `JQLite.append`, `new JQLite` and `angular.element`.\n\n### Description\n\nJQLite (DOM manipulation library that's part of AngularJS) manipulates input HTML before inserting it to the DOM in `jqLiteBuildFragment`.\n\nOne of the modifications performed [expands an XHTML self-closing tag](https://github.com/angular/angular.js/blob/418355f1cf9a9a9827ae81d257966e6acfb5623a/src/jqLite.js#L218).\n\nIf `jqLiteBuildFragment` is called (e.g. via `new JQLite(aString)`) with user-controlled HTML string that was sanitized (e.g. with [DOMPurify](https://github.com/cure53/DOMPurify)), the transformation done by JQLite may modify some forms of an inert, sanitized payload into a payload containing JavaScript - and trigger an XSS when the payload is inserted into DOM.\n\nThis is similar to a bug in jQuery `htmlPrefilter` function that was [fixed in 3.5.0](https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/).\n\n### Proof of concept\n\n```javascript\nconst inertPayload = `
` before adding it to the DOM, closing the style element early and reactivating `img`.\n\n### Patches\nThe issue is patched in `JQLite` bundled with angular 1.8.0. AngularJS users using JQuery should upgrade JQuery to 3.5.0, as a similar vulnerability [affects jQuery <3.5.0](https://github.com/jquery/jquery/security/advisories/GHSA-gxr4-xjj5-5px2).\n\n### Workarounds\nChanging sanitizer configuration not to allow certain tag grouping (e.g. `