CVE-2004-1399: Opentools Attachment Mod

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the Attachment module 2.3.10 and earlier for phpBB allows remote attackers to read arbitrary files via a .. (dot dot) in the filename.

Affected products

• Opentools Attachment Mod: version 2.3.4 only; version 2.3.5 only; version 2.3.6 only; version 2.3.7 only; version 2.3.8 only; version 2.3.9 only; …

Published 2004-12-31. Last modified 2026-06-16.