Multiple SQL injection vulnerabilities in MyBB 1.2.10 and earlier allow remote moderators and administrators to execute arbitrary SQL commands via (1) the mergepost parameter in a do_mergeposts action, (2) rid parameter in an allreports action, or (3) threads parameter in a do_multimovethreads action to (a) moderation.php; or (4) gid parameter to (b) admin/usergroups.php.
MyBB 1.2.4 allows remote attackers to obtain sensitive information via the (1) action[] parameter to member.php, (2) imagehash[] parameter to captcha.php, and (3) a direct request to inc/datahandlers/event.php, which reveal the installation path in the resulting error message.
SQL injection vulnerability in the create_session function in class_session.php in MyBB (aka MyBulletinBoard) 1.2.3 and earlier allows remote attackers to execute arbitrary SQL commands via the Client-IP HTTP header, as utilized by index.php, a related issue to CVE-2006-3775.
Cross-site request forgery (CSRF) vulnerability in MyBB (aka MyBulletinBoard) 1.2.2 allows remote attackers to send messages to arbitrary users. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.