How severe is CVE-2023-53892?

CVE-2023-53892 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53892 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53892?

CVE-2023-53892 affects Blackcat-cms Blackcat Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53892?

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-2023-53892 have an EU (EUVD) identifier?

Yes. CVE-2023-53892 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203417.

When was CVE-2023-53892 published?

CVE-2023-53892 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2023-53892

CVE-2023-53892 is a high-severity vulnerability in Blackcat-cms Blackcat Cms with a CVSS 3.x base score of 7.2. 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 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203417
Weakness: CWE-434
Affected product: Blackcat-cms Blackcat Cms
Published: 2025-12-15
Last modified: 2026-06-17

Description

Blackcat CMS 1.4 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the jquery plugin manager. Attackers can upload a zip file with a PHP shell script and execute arbitrary system commands by accessing the uploaded plugin's PHP file with a 'code' parameter.

Frequently asked questions

What is CVE-2023-53892?: Blackcat CMS 1.4 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the jquery plugin manager. Attackers can upload a zip file with a PHP shell script and execute arbitrary system commands by accessing the uploaded plugin's PHP file with a 'code' parameter.
How severe is CVE-2023-53892?: CVE-2023-53892 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53892 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53892?: CVE-2023-53892 affects Blackcat-cms Blackcat Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53892?: 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-2023-53892 have an EU (EUVD) identifier?: Yes. CVE-2023-53892 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203417.
When was CVE-2023-53892 published?: CVE-2023-53892 was published on 2025-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:*:*:*:*:*:*:*

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