CVE-2025-6866: code-projects simple forum Path Traversal

Vulnerability summary

CVE-2025-6866 is a medium (CVSS 5.3) Path Traversal vulnerability in code-projects simple forum. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 29-06-2025
   PublishedVulnerability first disclosed.
2. 30-06-2025
   Last modifiedVulnerability information updated.

Description

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.