Blackcat CMS 1.4 Remote Code Execution via Jquery Plugin Manager
Priority HIGH 72CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00911 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| blackcat-cms | Blackcat CMS | 1.4 | — | No fix listed | CNA |
- Blackcat CMS Vendorblackcat-cms Affected 1.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | blackcat-cms |
- cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·blackcat-cms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53892
- 2026-10-03 Alias added: GHSA-gphj-9mh6-pq4r
References
Exploit 1
Other 1
More blackcat-cms Blackcat Cms vulnerabilities
- TI-2023-23624 A reflected cross-site scripting (XSS) vulnerability in /install/index.php of Black Cat… CVSS 3.1MEDIUM 6.1
- TI-2023-23623 A stored cross-site scripting (XSS) vulnerability in /settings/index.php of Black Cat CMS… CVSS 3.1MEDIUM 5.4
- TI-2023-30174 Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification CVSS 4.0MEDIUM 5.1
- TI-2015-04260 Directory traversal vulnerability in widgets/logs.php in BlackCat CMS before 1.1.2 allows… CVSS 3.0HIGH 7.5
- TI-2020-15556 An issue was discovered in BlackCat CMS before 1.4. CVSS 3.1HIGH 8.8
- TI-2017-10506 In BlackCat CMS 1.2.2, unrestricted file upload is possible in… CVSS 3.0HIGH 8.8
Sources
- CVE-2023-53892 · CVE Program
- CVE-2023-53892 · NVD
- FIRST EPSS
- GHSA-gphj-9mh6-pq4r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences