Perch CMS 3.2 Remote Code Execution via Unrestricted File Upload

Advisories

severity: high
date: December 15, 2025
Affecting: Perch 3.2
CVE: CVE-2023-53889
CWE: CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS: 7.2
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-51620
Perch Product Webpage
Credit: Mirabbas Ağalarov
Description: Perch CMS 3.2 contains a remote code execution vulnerability that allows authenticated administrators to upload arbitrary PHP files through the assets management interface. Attackers can upload a malicious .phar file with embedded system command execution capabilities to execute arbitrary commands on the server.