CVE-2026-3244 MEDIUM

CVE-2026-3244: Concrete CMS below version 9.4.8 is vulnerable to Stored XSS in Search Results via Page Names

Vendor Concrete Cms
Product Concrete CMS
Weakness CWE-79 · XSS
Published March 4, 2026
Last update March 4, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 4, 2026 Record updated