SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload

Advisories

severity: high
date: December 17, 2025
Affecting: SitemagicCMS 4.4.3
CVE: CVE-2023-53921
CWE: CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS: 8.7
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-51464
Official Product Webpage
Credit: Mirabbas Ağalarov
Description: SitemagicCMS 4.4.3 contains a remote code execution vulnerability that allows attackers to upload malicious PHP files to the files/images directory. Attackers can upload a .phar file with system command execution payload to compromise the web application and execute arbitrary system commands.