CVE-2026-65914
CVE-2026-65914 · DOMPurify before 3.3.2 Mutation XSS via Re-Contextualization
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Affected products and versions
dompurify
- Versions
- ≥ 0, < 3.3.2: Affected (semver)
- 3.3.2: Not affected (semver)
Update to 3.3.2
node-dompurify Debian:12
- Versions
- 2.4.1+dfsg+~2.4.0-1
- 2.4.1+dfsg+~2.4.0-2
- 2.4.1+dfsg+~2.4.0-2+deb12u1
- 3.0.9+dfsg+~3.0.5-1
- 3.1.6+dfsg+~3.0.5-1
- 3.1.7+dfsg+~3.0.5-1
- 3.1.7+dfsg+~3.0.5-2
- 3.2.5+dfsg-1
- 3.3.2+dfsg-1
- 3.3.3+dfsg-1
- 3.3.3+dfsg-2
- 3.4.1+dfsg-1
- 3.4.12+dfsg-1
- 3.4.13+dfsg-1
- 3.4.13+dfsg-2
- 3.4.16+dfsg-1
- 3.4.2+dfsg-1
- 3.4.5+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
node-dompurify Debian:13
- Versions
- 3.1.7+dfsg+~3.0.5-2
- 3.2.5+dfsg-1
- 3.3.2+dfsg-1
- 3.3.3+dfsg-1
- 3.3.3+dfsg-2
- 3.4.1+dfsg-1
- 3.4.12+dfsg-1
- 3.4.13+dfsg-1
- 3.4.13+dfsg-2
- 3.4.16+dfsg-1
- 3.4.2+dfsg-1
- 3.4.5+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
node-dompurify Debian:14
- Versions
- 3.1.7+dfsg+~3.0.5-2
- 3.2.5+dfsg-1
- Affected ranges
- ECOSYSTEM: < 3.3.2+dfsg-1
Update to 3.3.2+dfsg-1
dompurify npm
- Affected ranges
- SEMVER: < 3.3.2
Update to 3.3.2
node-dompurify Ubuntu:22.04:LTS
- Versions
- 2.3.0+dfsg-2
- 2.3.3+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
node-dompurify Ubuntu:24.04:LTS
- Versions
- 2.4.1+dfsg+~2.4.0-1
- 3.0.9+dfsg+~3.0.5-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published