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4.8 Medium

CVE-2026-4225 A security flaw has been discovered in CMS Made Simple up to 2.2.21

Description

A security flaw has been discovered in CMS Made Simple up to 2.2.21. Impacted is an unknown function of the file admin/listusers.php of the component User Management Module. Performing a manipulation of the argument Message results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Affected products and versions

Product Affected versions Fixed in
CMS Made Simple 2.2 2.2.0 → 2.2.21 No fix stated

Other CVEs of CMS Made Simple

The 3 CVEs of CMS Made Simple →
CVE-2026-5203 A vulnerability was found in CMS Made Simple up to 2.2.22 5.1 Medium CVE-2025-5153 A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21 5.1 Medium
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