CVE-2025-29771 Information

Description

HtmlSanitizer is a client-side HTML Sanitizer. Versions prior to 2.0.3 have a cross-site scripting vulnerability when the sanitizer is used with a contentEditable element to set the elements innerHTML to a sanitized string produced by the package. If the code is particularly crafted to abuse the code beautifier that runs AFTER sanitation. The issue is patched in version 2.0.3.

Reference

https://github.com/jitbit/HtmlSanitizer/commit/af6d2a78877e7277cd01c825b7fb50edb5956963 https://github.com/jitbit/HtmlSanitizer/security/advisories/GHSA-vhv4-fh94-jm5x