Unrestricted file upload on the image of contacts
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When uploading an image for a contact, on the file upload pop up window it shows that it can accept all files of any data type. For my testing I uploaded a sample executable, named 'SimpleCrackMe.exe' which doesn't do really do anything without passing parameters to it on a terminal when running …
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阅读 HackerOne 原文 ↗作者 @hitman_47 · 版权归作者与 Nextcloud 所有