How severe is CVE-2023-53868?

CVE-2023-53868 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53868?

CVE-2023-53868 affects Coppermine-gallery Coppermine Photo Gallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53868?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-53868 have an EU (EUVD) identifier?

Yes. CVE-2023-53868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203438.

When was CVE-2023-53868 published?

CVE-2023-53868 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2023-53868

CVE-2023-53868 is a high-severity vulnerability in Coppermine-gallery Coppermine Photo Gallery with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203438
Weakness: CWE-434
Affected product: Coppermine-gallery Coppermine Photo Gallery
Published: 2025-12-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. Attackers can upload a zipped PHP file with system commands to the plugin directory and execute arbitrary code by accessing the uploaded plugin script.
How severe is CVE-2023-53868?: CVE-2023-53868 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53868?: CVE-2023-53868 affects Coppermine-gallery Coppermine Photo Gallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-53868 have an EU (EUVD) identifier?: Yes. CVE-2023-53868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203438.
When was CVE-2023-53868 published?: CVE-2023-53868 was published on 2025-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:coppermine-gallery:coppermine_photo_gallery:1.6.25:*:*:*:*:*:*:*

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