CVE-2026-84793Craft CMS 5.0.0-RC1 before 5.10.11 Stored XSS via site name
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Craft CMS versions from 5.0.0-RC1 before 5.10.11 contain a stored cross-site scripting vulnerability in the site name field that fails to sanitize input. Administrators can inject arbitrary JavaScript payloads in the site name that execute when other users view the control panel settings pages.
- CVSS
- 4.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
craftcms cms craftcms:cms (from the name) | from 5.0.0-RC1 before 5.10.11; 5.10.11 not affected | CNA record |
References
- https://github.com/craftcms/cms/security/advisories/GHSA-5fjj-496j-2qqfvendor-advisory
- https://www.vulncheck.com/advisories/craft-cms-5.0.0-rc1-before-5.10.11-stored-xss-via-site-namethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.