Low 2.4Published Mar 16, 2026

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

Updated under an hour ago (Oct 27, 2026, 1:50 PM ET)

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It affects n/a CMS Made Simple. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a CMS Made Simple

Exploited in the last 30 days

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: 2.4 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
Weakness (CWE): CWE-79, CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Mar 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a CMS Made Simple cms_made_simple:cms_made_simple	2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.5; 2.2.6; 2.2.7; and 14 more ranges	CNA record

References

References

https://vuldb.com/?id.351148	vdb-entry, technical-description
https://vuldb.com/?ctiid.351148	signature, permissions-required
https://vuldb.com/?submit.770530	third-party-advisory
https://github.com/feixuezhi/cms/wiki	exploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.