CVE-2023-53924
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductUlicms
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ulicms ulicms | 2023.1 | — |
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