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CVE-2023-53868

Coppermine-gallery Coppermine Photo Gallery remote code execution

8.8 HIGHPublic exploitEPSS 0.85%
  1. Published15 Dec 2025

Description

Coppermine Gallery 1.6.25 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files through the plugin manager. Attackers can upload a zipped PHP file with system commands to the plugin directory and execute arbitrary code by accessing the uploaded plugin script.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Coppermine-gallery Coppermine Photo Gallery1.6.25

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-53868 being actively exploited?

CVE-2023-53868 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.85%.

How severe is CVE-2023-53868?

CVE-2023-53868 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.85% probability of exploitation.

Which products are affected by CVE-2023-53868?

Affected products include Coppermine-gallery Coppermine Photo Gallery.

How do I fix CVE-2023-53868?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-53868 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.