CVE-2006-1896: Phpbb Group Phpbb

Medium severity, CVSS 6.0. EPSS: 1.3% chance of exploitation in the next 30 days.

Unspecified vulnerability in phpBB allows remote authenticated users with Administration Panel access to execute arbitrary PHP code via crafted Font Colour 3 ($theme[fontcolor3] variable) and/or signature values, possibly involving the highlight functionality. NOTE: the original report does not clarify whether this issue is static code injection, eval injection, or another type of vulnerability.

Affected products

Published 2006-04-20. Last modified 2026-06-16.