What’s Vulnerable › Vulnerabilities

CVE-2023-53889: Perch CMS 3.2 Remote Code Execution via Unrestricted File Upload

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-15 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• Perch: 3.2

References

• https://grabaperch.com/
• https://www.exploit-db.com/exploits/51620
• https://www.vulncheck.com/advisories/perch-cms-remote-code-execution-via-unrestricted-file-upload
• https://www.exploit-db.com/exploits/51620

Get alerted when CVE-2023-53889 or the next vulnerability affects your stack