Vulnerability · Published Feb 14, 2025 · Assigned by mitre
CVE-2025-26791
Medium 4.5
In plain English
A medium-severity cross-site scripting in DOMPurify from Cure53. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.5Medium
Exploit odds (30 days)0.6%top 50.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | node-dompurify | no fix listed | DEBIAN-CVE-2025-26791 |
| Debian:13 | node-dompurify | 3.1.7+dfsg+~3.0.5-2 | DEBIAN-CVE-2025-26791 |
| Debian:14 | node-dompurify | 3.1.7+dfsg+~3.0.5-2 | DEBIAN-CVE-2025-26791 |
| Ubuntu:22.04:LTS | node-dompurify | no fix listed | UBUNTU-CVE-2025-26791 |
| Ubuntu:24.04:LTS | node-dompurify | no fix listed | UBUNTU-CVE-2025-26791 |
| Ubuntu:25.10 | node-dompurify | no fix listed | UBUNTU-CVE-2025-26791 |
| Ubuntu:26.04:LTS | node-dompurify | no fix listed | UBUNTU-CVE-2025-26791 |
| Ubuntu:26.10 | node-dompurify | no fix listed | UBUNTU-CVE-2025-26791 |
| npm | dompurify | 3.2.4 | GHSA-vhxf-7vqr-mrjg |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N