Vulnerability Description
In Concrete CMS below version 9.4.8, A stored cross-site scripting (XSS) vulnerability exists in the search block where page names and content are rendered without proper HTML encoding in search results. This allows authenticated, rogue administrators to inject malicious JavaScript through page names that executes when users search for and view those pages in search results. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks zolpak for reporting
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Concretecms | Concrete Cms | < 9.4.8 |
Related Weaknesses (CWE)
References
- https://documentation.concretecms.org/9-x/developers/introduction/version-historRelease NotesPatchVendor Advisory
- https://github.com/concretecms/concretecms/pull/12826ExploitIssue TrackingVendor Advisory
FAQ
What is CVE-2026-3244?
CVE-2026-3244 is a vulnerability with a CVSS score of 4.8 (MEDIUM). In Concrete CMS below version 9.4.8, A stored cross-site scripting (XSS) vulnerability exists in the search block where page names and content are rendered without proper HTML encoding in search resul...
How severe is CVE-2026-3244?
CVE-2026-3244 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3244?
Check the references section above for vendor advisories and patch information. Affected products include: Concretecms Concrete Cms.