0.0
NA
CVE-2026-4225
CMS Made Simple User Management listusers.php cross site scripting
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.

INFO

Published Date :

March 16, 2026, 7:32 a.m.

Last Modified :

March 16, 2026, 7:32 a.m.

Remotely Exploit :

No

Source :

VulDB
Affected Products

The following products are affected by CVE-2026-4225 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update CMS Made Simple to a version later than 2.2.21 to address stored XSS.
  • Update CMS Made Simple to the latest version.
  • Apply vendor-supplied patches promptly.
  • Sanitize all user inputs.
  • Validate all user-provided data.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-4225 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.