CVE-2023-53924
UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload
- State
- Published
- Severity
- 8.7 High
- Published
- Dec 17, 2025
- Updated
- Apr 7, 2026
- Reserved
- Dec 16, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
UlicmsUlicms |
|
References
- ExploitDB-51434exploit
- Archived Product Webpageproduct
- VulnCheck Advisory: UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Uploadthird-party-advisory
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