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GHSA-gxr4-xjj5-5px2

Potential XSS vulnerability in jQuery

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-11022

Packages

EcosystemPackageAffectedFixed in
npm jquery >= 1.12.0, < 3.5.0 3.5.0
NuGet jquery >= 1.12.0, < 3.5.0 3.5.0
RubyGems jquery-rails < 4.4.0 4.4.0
Maven org.webjars.npm:jquery >= 1.12.0, < 3.5.0 3.5.0
Packagist maximebf/debugbar < 1.19.0 1.19.0
Packagist athlon1600/youtube-downloader < 4.0.1 4.0.1
Packagist components/jquery >= 1.12.0, < 3.5.0 3.5.0

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact Passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. `.html()`, `.append()`, and others) may execute untrusted code. ### Patches This problem is patched in jQuery 3.5.0. ### Workarounds To workaround the issue without upgrading, adding the following to your code: ```js jQuery.htmlPrefilter = function( html ) { return html; }; ``` You need to use at least jQuery 1.12/2.2 or newer to be able to apply this workaround. ### References https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/ https://jquery.com/upgrade-guide/3.5/ ### For more information If you have any questions or comments about this advisory, search for a relevant issue in [the jQuery repo](https://github.com/jquery/jquery/issues). If you don't find an answer, open a new issue.

References

External links from the advisory. They lead to third-party sites.