Vulnerability · CVE-2023-53868
Coppermine Gallery 1.6.25 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files through the plugin manager.
Published Dec 15, 2025 · catalog updated Apr 7, 2026 · Coppermine
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2023-53868. EPSS is 0.85%. Act only if a listed version of Coppermine is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.85%
- Remediation
- Vendor / distro source
- Affected products
- vendor Coppermine coppermine-gallery 1.6.25
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Coppermine coppermine-gallery 1.6.251.6.25
How to fix CVE-2023-53868
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 1.6.25
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-53868. EPSS is 0.85%. Act only if a listed version of Coppermine is installed.
Which versions are affected?
Compare what you have installed with Coppermine coppermine-gallery 1.6.25 1.6.25. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.85%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 15, 2025 · EUVD
Detected
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.
Apr 7, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2023-53868
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-53868
30-day exploitation probability 0.85%
first.org - EUVDVulnerability recordEUVD-2025-203438
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
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 29, 2026
- CVE.orgOct 27, 2026
- EUVDOct 26, 2026