Description

In Concrete CMS below version 9.4.8, a rogue administrator can add stored XSS via the Switch Language block.  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 M3dium for reporting.

INFO

Published Date :

2026-03-04T02:00:38.994Z

Last Modified :

2026-03-04T02:01:48.668Z

Source :

ConcreteCMS
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3242 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3242.

URL Resource
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes cve-icon cve-icon
https://github.com/concretecms/concretecms/pull/12826 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability