EazyDocs < 2.4.0 – Subscriber+ Arbitrary Posts Deletion and Document Management | CVE 2024-0248

Description

The plugin re-introduced CVE-2023-6029 (https://wpscan.com/vulnerability/7a0aaf85-8130-4fd7-8f09-f8edc929597e/) in 2.3.8, allowing any authenticated users, such as subscriber to delete arbitrary posts, as well as add and delete documents/sections. The issue was partially fixed in 2.3.9.

Proof of Concept

v 2.3.8, same PoC than https://wpscan.com/vulnerability/7a0aaf85-8130-4fd7-8f09-f8edc929597e/ 

v 2.3.9 (can only delete arbitrary documents from the plugin)
1 - Login as a subscriber and view the source of the backend page.
2 - Search for `eazydocs_local_object` variable.
3 - Inside the variable, you will find the option tag containing the _wpnonce and the post id.
4 - Change the value of the following URL with the data from step 3:

https://example.com/wp-admin/admin-post.php?Doc_Delete=yes&_wpnonce=<_wpnonce>&DeleteID=<post_id>