CVE-2026-36669-FengOffice exploit

Exploit for CVE-2026-36669. CVSS 9.8.

Published 5 Sep 2026Updated 5 Sep 202636 sources
CVSS 9.8 ✓ VERIFIED REFERENCE

What happened

Unauthenticated file upload in Feng Office 3.11.13.11 via ck_upload_handler.php enabling XSS.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references