Multiple SQL injection vulnerabilities in the Tapatalk plugin 4.9.0 and earlier and 5.x through 5.2.1 for vBulletin allow remote attackers to execute arbitrary SQL commands via a crafted xmlrpc API request to (1) unsubscribe_forum.php or (2) unsubscribe_topic.php in mobiquo/functions/.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)