CVE-2018-1000502: Mybb

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

MyBB Group MyBB contains a File Inclusion vulnerability in Admin panel (Tools and Maintenance -> Task Manager -> Add New Task) that can result in Allows Local File Inclusion on modern PHP versions and Remote File Inclusion on ancient PHP versions. This attack appear to be exploitable via Must have access to admin panel. This vulnerability appears to have been fixed in 1.8.15.

Affected products

• Mybb Mybb: before 1.8.15 (fixed in 1.8.15)

Published 2018-06-26. Last modified 2026-06-17.