CVE-2026-65902

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902

DOMPurify 3.4.7 fixes a mutation pollution vulnerability. Affected: DOMPurify

CVE-2026-65902 DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTags

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902 DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTags

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902 DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTags

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902: Trust Boundary Violation

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

DOMPurify: Hook mutation of `data.allowedTags` / `data.allowedAttributes` permanently pollutes `DEFAULT_ALLOWED_TAGS` / `DEFAULT_ALLOWED_ATTR`

Hook mutation of data.allowedTags / data.allowedAttributes permanently pollutes DEFAULTALLOWEDTAGS / DEFAULTALLOWEDATTR CWE: CWE-501 Trust Boundary Violation — hook-scoped mutation leaks to global default sets via CWE-693 Protection Mechanism Failure — the default allow-list is silently widened f...

Trust Boundary Violation

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Trust Boundary Violation through the mutation of data.allowedTags or data.allowedAttributes in hooks, which directly alters the global default sets used for sanitization. A...

NPM: DOMPurify: Hook mutation of `data.allowedTags` / `data.allowedAttributes` permanently pollutes `DEFAULT_ALLOWED_TAGS` / `DEFAULT_ALLOWED_ATTR`

NPM: DOMPurify: Hook mutation of data.allowedTags / data.allowedAttributes permanently pollutes DEFAULTALLOWEDTAGS / DEFAULTALLOWEDATTR vulnerability discovered by ? in WordPress Npm dompurify versions 3.4.7...