WebTareas 2.4 Authenticated Remote Code Execution via File Upload

Advisories

severity: high
date: December 22, 2025
Affecting: WebTareas 2.4
CVE: CVE-2023-53971
CWE: CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS: 8.7
CVSS V4 Vector: 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
References: ExploitDB-51089
WebTareas Project Homepage
Credit: Hubert Wojciechowski
Description: WebTareas 2.4 contains a file upload vulnerability that allows authenticated users to upload malicious PHP files through the chat photo upload functionality. Attackers can upload a PHP file with arbitrary code to the /files/Messages/ directory and execute it directly through the generated file path.