Description
Cross-site scripting (XSS) vulnerability in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 might allow remote attackers to inject arbitrary web script or HTML via vectors related to "old upgrade files."
Remediation
References
Related Vulnerabilities
MediaWiki Resource Management Errors Vulnerability (CVE-2015-8003)
Moodle Other Vulnerability (CVE-2007-1647)
Moodle Incorrect Authorization Vulnerability (CVE-2021-20283)
WordPress Plugin True Ranker Directory Traversal (2.2.2)
Django Permissions, Privileges, and Access Controls Vulnerability (CVE-2016-9014)