XSS in Craftcms Cms
CVE-2026-25496
Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 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: 0.004 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Craftcms Cms — versions >= 5.0.0-RC1, < 5.8.22, >= 4.0.0-RC1, < 4.16.18
- Craftcms Craft Cms — versions 4.0.0, 5.0.0
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-9f5h-mmq6-2x78 (Exploit, Patch, Vendor Advisory)
- github.com/craftcms/cms/commit/cb5fb0e979e72f315c9178fc031883d49527f513 (Patch)
- github.com/craftcms/cms/releases/tag/5.8.22 (Release Notes)
Frequently asked questions
- What is CVE-2026-25496?
- CVE-2026-25496 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-2026-25496?
- Medium severity. CVSS v3 base score is 4.8 out of 10.