SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-4225

Performing a manipulation of the argument Message results in cross site scripting.

LOW 1.9EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

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 4.0
1.9 LOWCVSS: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/M
EPSS
0.21% probability · 11th percentile
CISA KEV
Not listed
Weakness
CWE-79, CWE-94
Source
cna@vuldb.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.