CVE-2011-5277: Advanced Forum Signatures Project Advanced Forum Signatures

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Multiple SQL injection vulnerabilities in signature.php in the Advanced Forum Signatures (aka afsignatures) plugin 2.0.4 for MyBB allow remote attackers to execute arbitrary SQL commands via the (1) afs_type, (2) afs_background, (3) afs_showonline, (4) afs_bar_left, (5) afs_bar_center, (6) afs_full_line1, (7) afs_full_line2, (8) afs_full_line3, (9) afs_full_line4, (10) afs_full_line5, or (11) afs_full_line6 parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Affected products

Published 2014-04-08. Last modified 2026-06-16.