CVE-2026-25510
CRITICAL
GHSA-gp56-f67f-m4px
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
4Description
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, an authenticated user with file editor permissions can achieve Remote Code Execution (RCE) by leveraging the file creation and save endpoints, an attacker can upload and execute arbitrary PHP code on the server. This issue has been patched in version 0.28.5.0.
Analysis
CI4MS (CodeIgniter 4 CMS skeleton) has a code injection vulnerability (CVSS 9.9) allowing authenticated users to execute arbitrary PHP code through the CMS module system.
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Remediation
Within 24 hours: Identify all CI4MS instances in production and development environments; assess internet exposure and implement emergency network restrictions if patching cannot be completed immediately. Within 7 days: Apply the available vendor patch to all affected systems and validate successful deployment. …
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External POC / Exploit Code
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