What is CVE-2026-41201?

CVE-2026-41201 is a critical-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Cross-site Scripting. CVSS score: 9.1/10. Published 2026-05-07.

How severe is CVE-2026-41201?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XSS in Ci4-cms-erp Ci4ms

CVE-2026-41201

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. In version 0.31.4.0, an attacker can achieve Full Account Takeover & Privilege Escalation via Sto…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Ci4-cms-erp Ci4ms — versions = 0.31.4.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.5.0 (x_refsource_MISC)
https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-qxpq-82f3-xj47 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41201?: CVE-2026-41201 is a critical-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Cross-site Scripting. CVSS score: 9.1/10. Published 2026-05-07.
How severe is CVE-2026-41201?: Critical severity. CVSS v3 base score is 9.1 out of 10.