CVE-2025-6866: Fabian Simple Forum

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability has been found in code-projects Simple Forum 1.0 and classified as critical. This vulnerability affects unknown code of the file /forum_downloadfile.php. The manipulation of the argument filename leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Fabian Simple Forum: version 1.0 only

Published 2025-06-29. Last modified 2026-06-17.