jitbit/htmlsanitizer · Security
JS Html Sanitizer allows XSS when used with contentEditable
- GHSA ID
- GHSA-vhv4-fh94-jm5x
- CVE ID
- CVE-2025-29771
- Severity
- medium
- Published
- Updated
- CVSS v4
- 6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Description
Impact
XSS 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.
Patches
Patched in version 2.0.3
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')