PT-2025-51307 · Perch · Perch Cms

Mirabbas Ağalarov · Published 2025-12-15 · Updated 2025-12-21 · CVE-2023-53889

Positive Technologies (AI Summary)

CVSS v4.0

8.6

High

Base vector

AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Perch CMS version 3.2

Description Perch CMS version 3.2 has a remote code execution issue. Authenticated administrators can upload arbitrary PHP files through the assets management interface. An attacker can upload a malicious .phar file containing embedded system command execution capabilities to execute arbitrary commands on the server. The vulnerable functionality involves uploading assets.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict file uploads to trusted administrators only.

Exploit

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-53889

Affected Products

Perch Cms

References · 7

• 🔥 https://exploit-db.com/exploits/51620 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53889 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53889 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2000715068950884622 · Twitter Post
• https://grabaperch.com · Note
• https://vulncheck.com/advisories/perch-cms-remote-code-execution-via-unrestricted-file-upload · Note
• https://twitter.com/CVEnew/status/2002857362324124125 · Twitter Post