CVE-2023-53979 — MyBB 1.8.32 Authenticated Remote Code Execution via Chained Vulnerabilities
MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify uploa…
Published: 2025-12-22 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7