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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| tendenci | pip | <= 16.14 |
Miggo AIRoot Cause AnalysisThe vulnerability is a stored Cross-Site Scripting (XSS) issue in the Forums module of Tendenci CMS. The analysis of the provided information, including the proof-of-concept and the source code, points to the functions responsible for creating and editing forum posts. The AddPostView and EditPostView classes in tendenci/apps/forums/views.py are the main entry points for handling user-submitted content in the forums. Both of these views use the PostEditMixin, which contains the shared logic for processing the form data. The vulnerability lies in the form_valid method of this mixin, which saves the user's input to the database without proper sanitization. This allows malicious scripts to be stored and later executed in the browsers of other users who view the forum posts. The post methods of AddPostView and EditPostView are the runtime indicators of this vulnerability, as they are the methods that handle the HTTP POST requests containing the malicious payloads.
