🛡️ CVE-2026-34567
🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-79 NVD
9.5
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 version 0.31.0.0, the application fails to properly sanitize user-controlled input when creating or editing blog posts within the Categories section. An attacker can inject a malicious JavaScript payload into the Categories content, which is then stored server-side. This stored payload is later rendered unsafely when the Categories are viewed via blog posts, without proper output encoding, leading to stored cross-site scripting (XSS). This issue has been patched in version 0.31.0.0.

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-04-01
Updated 2026-06-02
Modified 2026-04-06
Fix URL N/A

Affected Packages

Software From version Fixed in
ci4-cms-erp/ci4ms — 0.31.0.0
ci4ms — 0.31.0.0

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