CVE-2026-4225

CMS Made Simple User Management listusers.php cross site scripting

CVSS 4.8 MEDIUMEPSS 0.2%CWE-79 CWE-94

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

n/a · CMS Made Simple

References

https://github.com/feixuezhi/cms/wiki https://vuldb.com/?ctiid.351148 https://vuldb.com/?id.351148 https://vuldb.com/?submit.770530