Arbitrary file upload in Blackcat-Cms Blackcat Cms
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.008 (52.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Blackcat-cms Blackcat Cms — versions 1.4
- Blackcat-cms Blackcat_cms — versions 1.4
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53892?
- CVE-2023-53892 is a high-severity vulnerability in Blackcat-Cms Blackcat Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2025-12-15.
- How severe is CVE-2023-53892?
- High severity. CVSS v3 base score is 7.2 out of 10.