appRain CMF vulnerability

appRain CMF 4.0.5 contains an authenticated remote code execution vulnerability that allows administrative users to upload malicious PHP files through the filemanager upload endpoint. Attackers can leverage authenticated access to generate a web shell with command execution capabilities by uploading a crafted PHP file to the site's uploads directory.

Published 10 Dec 2025Updated 26 Sep 202686 sources
CVSS 8.6 ✓ VERIFIED REFERENCE

What happened

appRain CMF 4.0.5 contains an authenticated remote code execution vulnerability that allows administrative users to upload malicious PHP files through the filemanager upload endpoint. Attackers can leverage authenticated access to generate a web shell with command execution capabilities by uploading a crafted PHP file to the site's uploads directory.

Affected versions

appRain CMF: 4.0.5 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

RepositoryAuthorFirst seenReference
www.exploit-db.comNVD reference2025-12-10Verified