CVE-2009-0290: Sir Gnuboard

Medium severity, CVSS 6.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Directory traversal vulnerability in common.php in SIR GNUBoard 4.31.03 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the g4_path parameter. NOTE: in some environments, this can be leveraged for remote code execution via a data: URI or a UNC share pathname.

Affected products

• Sir Gnuboard: version 4.31.03 only

Published 2009-01-27. Last modified 2026-06-16.