Permissive List of Allowed Inputs Affecting dompurify package, versions <3.3.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-DOMPURIFY-15874905
- published3 Apr 2026
- disclosed3 Apr 2026
- creditchristos-eth
Introduced: 3 Apr 2026
CVE-2026-65912 (opens in a new tab)How to fix?
Upgrade dompurify to version 3.3.2 or higher.
Overview
dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG.
Affected versions of this package are vulnerable to Permissive List of Allowed Inputs in the ADD_ATTR predicate function via EXTRA_ELEMENT_HANDLING.attributeCheck. An attacker can inject and execute malicious scripts in the DOM by bypassing URI validation for specific attribute and tag combinations, such as allowing href attributes with unsafe protocols like javascript:.