| Name | CVE-2026-109344 |
| Description | DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| node-dompurify (PTS) | bookworm | 2.4.1+dfsg+~2.4.0-2+deb12u1 | vulnerable |
| bookworm (security) | 2.4.1+dfsg+~2.4.0-2 | vulnerable |
| trixie | 3.1.7+dfsg+~3.0.5-2 | vulnerable |
| forky, sid | 3.4.16+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| node-dompurify | source | (unstable) | 3.4.16+dfsg-1 | | | |
Notes
https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p
possibly not affecting older version, as upstream advisory claims from 3.4.13 on