UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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
UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53924
- 2026-10-03 Alias added: GHSA-xrjv-cxq7-2pw3
References
Exploit 1
Other 1
More Ulicms vulnerabilities
- TI-2023-30206 UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation CVSS 4.0CRITICAL 9.3
- TI-2023-30197 UliCMS 2023.1 Authentication Bypass via Mass Assignment Vulnerability CVSS 4.0CRITICAL 9.3
- TI-2023-30208 UliCMS 2023.1 Stored Cross-Site Scripting via SVG File Upload CVSS 4.0MEDIUM 5.1
- TI-2019-08514 Multiple cross-site scripting (XSS) vulnerabilities in UliCMS 2019.2 and 2019.1 allow… CVSS 3.0MEDIUM 6.1
- TI-2020-10102 UliCMS before 2020.2 has PageController stored XSS. CVSS 3.1MEDIUM 6.1
- TI-2020-10101 UliCMS before 2020.2 has XSS during PackageController uninstall. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-53924 · CVE Program
- CVE-2023-53924 · NVD
- FIRST EPSS
- GHSA-xrjv-cxq7-2pw3 · 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