JS Html Sanitizer allows XSS when used with contentEditable
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
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @jitbit/htmlsanitizer | < 2.0.3 | 2.0.3 |
References
- CVSS vector
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- Weakness (CWE)
CWE-79- Platform
- npm
- Package
@jitbit/htmlsanitizer- Disclosed
- 14.03.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vhv4-fh94-jm5x - CC BY 4.0
Vulnerability history: @jitbit/htmlsanitizer
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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