CVE-2011-3759: Mybb

Medium severity, CVSS 5.0. EPSS: 1.3% chance of exploitation in the next 30 days.

MyBB (aka MyBulletinBoard) 1.6 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by inc/3rdparty/diff/Diff/ThreeWay.php and certain other files.

Affected products

• Mybb Mybb: version 1.6.0 only

Published 2011-09-23. Last modified 2026-06-16.