MyBB Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2016-9408
Cross-site scripting (XSS) vulnerability in the Mod control panel in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 might allow remote attackers to inject arbitrary web script or HTML via vectors involving editing users.