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Medium severityOSV Advisory· Published Mar 14, 2025· Updated Apr 15, 2026

CVE-2025-29771

CVE-2025-29771

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.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
@jitbit/htmlsanitizernpm
< 2.0.32.0.3

Affected products

1

Patches

2
67d23a1bd2f8
https://github.com/jitbit/htmlsanitizervia osv
af6d2a78877e
https://github.com/jitbit/htmlsanitizervia osv
commit

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

4

News mentions

0

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