XSS in Craftcms Cms
CVE-2026-25491
Craft is a platform for creating digital experiences. From 5.0.0-RC1 to 5.8.21, Craft has a stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list. This vulnerability is fixed in 5.8.22.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Craftcms Cms — versions >= 5.0.0-RC1, < 5.8.22
- Craftcms Craft Cms
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-7pr4-wx9w-mqwr (Exploit, Patch, Vendor Advisory)
- github.com/craftcms/cms/commit/cfd6ba0e2ce1a59a02d75cae6558c4ace1ab8bd4 (Patch)
- github.com/craftcms/cms/releases/tag/5.8.22 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-25491?
- CVE-2026-25491 is a medium-severity vulnerability in Craftcms Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-02-09.
- How severe is CVE-2026-25491?
- Medium severity. CVSS v3 base score is 4.8 out of 10.