MyBB MyCode Editor Cross-Site Scripting Vulnerability

MyBB (MyBulletinBoard) is a free and web-based forum software developed by MYBB team using PHP and MySQL. The software is easy to use, supports multiple languages, and is extensible. mybb MyBB versions prior to 1.8.32 have a cross-site scripting vulnerability that stems from the lack of checksum of user input or stored data in the visual MyCode editor, which can be exploited by attackers to launch cross-site scripting attacks.