Vulnerability record · CVE-2023-53892 · published 15 December 2025

CVE-2023-53892: Blackcat-cms blackcat cms unrestricted file upload vulnerability

Blackcat Cms · Blackcat Cms

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.

8.6 CVSS 4.0 High EPSS 0.91% · top 41.6% CWE-434 · Unrestricted file upload

8.6CVSS 4.0 base score

0.91%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Blackcat Cms Blackcat Cms

References

Link	Tags
https://blackcat-cms.org/	Product
https://www.exploit-db.com/exploits/51605	ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/blackcat-cms-remote-code-execution-via-jquery-plugin-manager	Third Party Advisory
https://www.exploit-db.com/exploits/51605	ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-25453Blackcat-cms blackcat cms cross-site request forgery vulnerabilityAn issue was discovered in BlackCat CMS before 1.4. There is a CSRF vulnerability (bypass csrf_token) that allows remote arbitrary code execution.EPSS 6.3%15 Sep 2020 8.8CVE-2017-14399Blackcat-cms blackcat cms unrestricted file upload vulnerabilityIn BlackCat CMS 1.2.2, unrestricted file upload is possible in backend\media\ajax_rename.php via the extension parameter, as demonstrated by changing…EPSS 1.0%12 Sep 2017 8.8CVE-2017-14048Blackcat-cms blackcat cms cross-site request forgery vulnerabilityBlackCat CMS 1.2 allows remote authenticated users to inject arbitrary PHP code into info.php via a crafted new_modulename parameter to backend/addon…EPSS 0.55%31 Aug 2017 8.8CVE-2017-14050Blackcat-cms blackcat cms unrestricted file upload vulnerabilityIn BlackCat CMS 1.2, backend/addons/install.php allows remote authenticated users to execute arbitrary PHP code via a ZIP archive that contains a .ph…EPSS 1.2%31 Aug 2017 7.5CVE-2015-5079Blackcat-cms blackcat cms path traversal vulnerabilityDirectory traversal vulnerability in widgets/logs.php in BlackCat CMS before 1.1.2 allows remote attackers to read arbitrary files via a .. (dot dot)…EPSS 17%28 Feb 2018 6.5CVE-2017-13670Blackcat-cms blackcat cms vulnerabilityIn BlackCat CMS 1.2, remote authenticated users can upload any file via the media upload function in backend/media/ajax_upload.php, as demonstrated b…EPSS 0.84%31 Aug 2017 6.1CVE-2023-44043Blackcat-cms blackcat cms cross-site scripting vulnerabilityA reflected cross-site scripting (XSS) vulnerability in /install/index.php of Black Cat CMS 1.4.1 allows attackers to execute arbitrary web scripts o…EPSS 0.48%27 Sep 2023 5.4CVE-2023-44042Blackcat-cms blackcat cms cross-site scripting vulnerabilityA stored cross-site scripting (XSS) vulnerability in /settings/index.php of Black Cat CMS 1.4.1 allows attackers to execute arbitrary web scripts or …EPSS 0.45%27 Sep 2023

Source: NIST National Vulnerability Database (record CVE-2023-53892), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.