CVE-2023-50982

Summary

CVE-2023-50982 is a significant vulnerability in Stud.IP 5.x versions up to 5.3.3. The issue allows for Cross-Site Scripting (XSS) attacks, which can culminate in the upload of executable files. The root cause is the lack of checking for file extensions in the upload_action and edit_action functions of Admin_SmileysController. Consequently, remote code execution is possible with the privileges of the www-data user. The affected versions include 5.3.3, and the recommended fixes are 5.3.4, 5.2.6, 5.1.7, and 5.0.9.

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