CVE-2026-65914 — DOMPurify before 3.3.2 Mutation XSS via Re-Contextualization
DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, ifra…
Published: 2026-07-23 · CVSS: 5.3 · CVSS 4.0
DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or noscript. Attackers can craft payloads with closing sequences that break out of the wrapper context during reparsing, reactivating dangerous markup with event handlers to execute JavaScript.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7