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Directory traversal exists in dedecms v5.7.87

There is a vulnerability file:uploads/include/dialog/select_templets.php

The $activepath parameter is controllable, and there is a regular bypass.

WPS图片(1)

The dir() function lists the directory, then the read() function loops through the contents of the directory.

WPS图片(2)

By way of... \ Can bypass filtering to achieve directory traversal, resulting in directory traversal

WPS图片(3)