CVE-2025-26791
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.1.7+dfsg+~3.0.5-2 |
| sid | Fixed | 3.1.7+dfsg+~3.0.5-2 |
| forky | Fixed | 3.1.7+dfsg+~3.0.5-2 |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | dompurify | <3.2.4 | 3.2.4 |
References
- https://www.suse.com/security/cve/CVE-2025-26791.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-26791
- https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02
- https://ensy.zip/posts/dompurify-323-bypass
- https://github.com/cure53/DOMPurify
- https://github.com/cure53/DOMPurify/releases/tag/3.2.4
- https://nsysean.github.io/posts/dompurify-323-bypass
- https://security-tracker.debian.org/tracker/CVE-2025-26791
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.