CVE-2025-26791
MEDIUMCVSS 6.1/10EPSS 0.56%
Last modified
CVE-2025-26791 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).. EPSS estimates a 0.56% chance of exploitation in the next 30 days.
Description
DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cure53 | Dompurify | < 3.2.4 |
References
- https://ensy.zip/posts/dompurify-323-bypass/Exploit, Third Party Advisory
- https://nsysean.github.io/posts/dompurify-323-bypass/Exploit, Third Party Advisory
- https://ensy.zip/posts/dompurify-323-bypass/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-26791?
DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
How severe is CVE-2025-26791?
CVE-2025-26791 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2025-26791?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-26791?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST