CVE-2021-47934 — MyBB Timeline Plugin 1.0 Cross-Site Scripting and CSRF
MyBB Timeline Plugin 1.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through thread titles, post content, and user profile fie…
Published: 2026-05-16 · CVSS: 6.9 · CVSS 4.0
MyBB Timeline Plugin 1.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through thread titles, post content, and user profile fields like Location and Bio. Attackers can also exploit a cross-site request forgery vulnerability in the timeline.php profile action to change a user's cover picture by crafting malicious forms that execute when victims visit affected profiles.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7