Vanilla Forums Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) Vulnerability - CVE-2019-9889
In Vanilla before 2.6.4 a flaw exists within the getSingleIndex function of the AddonManager class. The issue results in a require call using a crafted type value leading to Directory Traversal with File Inclusion. An attacker can leverage this vulnerability to execute code under the context of the web server.