CVE-2023-53889

HIGH

Perch CMS 3.2 - Authenticated Remote Code Execution via Arbitrary PHP File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-53889. PoCs published by Mirabbas Ağalarov.

AI-analyzed exploit summary This exploit demonstrates a Remote Code Execution (RCE) vulnerability in Perch CMS v3.2 by uploading a malicious PHAR file through the asset management interface. The PHAR file contains a simple PHP shell that executes arbitrary commands via a GET parameter.

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.

Exploits (1)

exploitdb WORKING POC
by Mirabbas Ağalarov · textwebappsphp
https://www.exploit-db.com/exploits/51620

This exploit demonstrates a Remote Code Execution (RCE) vulnerability in Perch CMS v3.2 by uploading a malicious PHAR file through the asset management interface. The PHAR file contains a simple PHP shell that executes arbitrary commands via a GET parameter.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Perch CMS v3.2
Auth required
Prerequisites: Admin access to the Perch CMS · Ability to upload files via the asset management interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 7.2
EPSS 0.0079
EPSS Percentile 51.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (2)
grabaperch/perch 3.2
Perch/Perch 3.2
Published Dec 15, 2025
Tracked Since Feb 18, 2026