🛡️ CVE-2026-39391
🟡 CVSS 4.8 — Medium ✅ No Known Exploit CWE-79 NVD
4.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the blacklist (ban) note parameter in UserController::ajax_blackList_post() is stored in the database without sanitization and rendered into an HTML data-note attribute without escaping. An admin with blacklist privileges can inject arbitrary JavaScript that executes in the browser of any other admin who views the user management page. This vulnerability is fixed in 0.31.4.0.

Details

Severity Medium
CVSS Score 4.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-04-08
Updated 2026-06-02
Modified 2026-04-08
Fix URL N/A

Affected Packages

Software From version Fixed in
ci4-cms-erp/ci4ms — 0.31.4.0
ci4ms — 0.31.4.0

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