CVE-2026-4225

| EUVD-2026-12366 LOW
2026-03-16 VulDB
2.4
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

4
PoC Detected
Mar 16, 2026 - 14:53 vuln.today
Public exploit code
Analysis Generated
Mar 16, 2026 - 09:00 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 09:00 euvd
EUVD-2026-12366
CVE Published
Mar 16, 2026 - 07:32 nvd
LOW 2.4

Tags

PHP XSS

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.

Analysis

A cross-site scripting (XSS) vulnerability exists in CMS Made Simple versions up to 2.2.21 affecting the User Management Module's admin/listusers.php file. An attacker with high-level privileges can inject malicious JavaScript through the Message parameter to compromise other users' sessions or steal sensitive data. …

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Remediation

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +12
POC: +20

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CVE-2026-4225 vulnerability details – vuln.today
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