High severity · published Dec 15, 2025
CVE-2023-53889
Perch CMS 3.2 Remote Code Execution via Unrestricted File Upload
7.2
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PE
Perch · Perch
3.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-53889
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-53889
Product
https://grabaperch.com/
Exploit
https://www.exploit-db.com/exploits/51620
Third Party Advisory
https://www.vulncheck.com/advisories/perch-cms-remote-code-execution-via-unrestricted-file-upload
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