WeGIA has a bypass for the fix for CVE-2025-22133 - Arbitrary File Upload leads to Remote Code Execution (RCE)
Vulnerability Description
WeGIA is a Web manager for charitable institutions. The fix for CVE-2025-22133 was not enough to remediate the arbitrary file upload vulnerability. The WeGIA only check MIME types for Excel files at endpoint `/html/socio/sistema/controller/controla_xlsx.php`, which can be bypassed by using magic bytes of Excel file in a PHP file. As a result, attacker can upload webshell to the server for remote code execution. Version 3.4.11 contains an updated fix.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
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