Serendipity 2.5.0 Remote Code Execution via Authenticated Media Upload

Advisories

severity: high
date: December 10, 2025
Affecting: Serendipity 2.5.0
CVE: CVE-2024-58282
CWE: CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS: 8.6
CVSS V4 Vector: 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
References: ExploitDB-52036
Serendipity Homepage
Serendipity Software Link
Credit: Ahmet Ümit BAYRAM
Description: Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the media upload functionality. Attackers can exploit the file upload mechanism by creating a PHP shell with a command execution form that enables arbitrary system command execution on the web server.