CVE-2026-3244
MEDIUMConcrete CMS < 9.4.8 - Authenticated Stored Cross-Site Scripting in Search Block
Title source: llmDescription
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
References (2)
Core 2
Core References
Various Sources
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
Issue Tracking
https://github.com/concretecms/concretecms/pull/12826
Scores
CVSS v3
4.8
EPSS
0.0019
EPSS Percentile
9.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
concrete5/concrete5
0 - 9.4.8Packagist
concretecms/concrete_cms
< 9.4.8
Published
Mar 04, 2026
Tracked Since
Mar 04, 2026