CVE-2011-1128: Simplemachines Smf

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

The loadUserSettings function in Load.php in Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly handle invalid login attempts, which might make it easier for remote attackers to obtain access or cause a denial of service via a brute-force attack.

Affected products

• Simplemachines Smf: up to and including 1.1.12; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …

Published 2011-06-21. Last modified 2026-06-16.