The Ultimate Classified Listings WordPress plugin before 1.3 does not validate the `ucl_page` and `layout` parameters allowing unauthenticated users to access PHP files on the server from the listings page
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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https://wpscan.com/vulnerability/5e8d7808-8f3e-4fc9-a1e7-e108da031ca7/ | third party advisory vdb entry exploit technical description |