CVE-2023-53889

Perch CMS 3.2 Remote Code Execution via Unrestricted File Upload

Published Dec 15, 2025 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 7.2, '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'}

cvssV4_0

{'score': 8.6, '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'}

Type Values Removed Values Added
First Time appeared Grabaperch
Grabaperch perch
CPEs cpe:2.3:a:edgeofmyseat:perch:3.2:*:*:*:*:*:*:* cpe:2.3:a:grabaperch:perch:3.2:*:*:*:*:*:*:*
Vendors & Products Edgeofmyseat
Edgeofmyseat perch
Grabaperch
Grabaperch perch
Type Values Removed Values Added
First Time appeared Edgeofmyseat
Edgeofmyseat perch
CPEs cpe:2.3:a:edgeofmyseat:perch:3.2:*:*:*:*:*:*:*
Vendors & Products Edgeofmyseat
Edgeofmyseat perch
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Perch
Perch perch Cms
Vendors & Products Perch
Perch perch Cms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Perch CMS 3.2 Remote Code Execution via Unrestricted File Upload
Weaknesses CWE-434
References
Metrics cvssV4_0

{'score': 7.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 12, 2026, 8:46 PM
Reserved
Dec 15, 2025, 1:02 AM
Status
Analyzed
Published
Dec 15, 2025, 9:15 PM
Modified
Jun 17, 2026, 6:46 AM