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Vulnerabilities can be used to upload files of any type #4

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jayus0821 opened this issue Feb 1, 2021 · 0 comments
Open

Vulnerabilities can be used to upload files of any type #4

jayus0821 opened this issue Feb 1, 2021 · 0 comments

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@jayus0821
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in uploads.php
The first line receives the parameter allow, which is passed in when the syUpload object is instantiated, and when the syupload object is constructed, the passed allow is directly used as the allowed suffix dictionary
image
image (1)
So when we upload, we only need to add an allow parameter to upload files with any suffix
image (3)
image (2)

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