CVE-2026-4225 MEDIUM

CVE-2026-4225: CMS Made Simple User Management listusers.php cross site scripting

Vendor N/A
Product CMS Made Simple
Weakness CWE-79 · XSS
Published March 16, 2026
Last update March 16, 2026

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/E:P

What the vulnerability does

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.

Key dates

Disclosure timeline

March 16, 2026 CVE published
March 16, 2026 Record updated