๐Ÿ” CVE Alert

CVE-2026-84793

MEDIUM 4.8

Craft CMS 5.0.0-RC1 before 5.10.11 Stored XSS via site name

CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor craftcms
Product cms
Published Sep 2, 2026
Last Updated Sep 2, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

craftcms / cms
5.0.0-RC1 < 5.10.11

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/craftcms/cms/security/advisories/GHSA-5fjj-496j-2qqf vulncheck.com: https://www.vulncheck.com/advisories/craft-cms-5.0.0-rc1-before-5.10.11-stored-xss-via-site-name

Credits

๐Ÿ” mHe4am