Remote Code Execution Vulnerability in Coppermine Gallery by Coppermine
CVE-2023-53868

8.7HIGH

Key Information:

Vendor

Coppermine

Status
Coppermine-gallery
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53868?

The Coppermine Gallery version 1.6.25 is susceptible to a remote code execution vulnerability that allows authenticated users to upload malicious PHP files via the plugin manager. This flaw permits attackers to upload zipped PHP files containing arbitrary system commands, potentially enabling them to execute harmful code by invoking the uploaded plugin scripts. This situation poses a serious risk to server integrity and the confidentiality of sensitive data.

Affected Version(s)

coppermine-gallery 1.6.25

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53868 - Proof of Concept

References

https://www.exploit-db.com/exploits/51738
exploit
https://web.archive.org/web/20240101151648/https://copper...
product
https://www.vulncheck.com/advisories/coppermine-gallery-r...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
JSON
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CVE-2023-53868 : Remote Code Execution Vulnerability in Coppermine Gallery by Coppermine