CVE-2026-4225

LOW EPSS 10.7%

Published Mar 16, 20263mo ago · Modified Jun 17, 20261w ago

1.9 CVSS 4.0

Low

Published Mar 16, 2026 3mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

1.9

Exploitability

—

Impact

—

Vector string

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

10.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-79 Cross-site Scripting Injection

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.