Vulnerability Details CVE-2023-53979
MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify upload path settings, upload a malicious PHP-embedded image file, and execute commands through the language configuration editing interface.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.8%
CVSS Severity
CVSS v3 Score 8.8
References