Michalc · Pdw File Browser · CVE-2020-36973
**Name of the Vulnerable Software and Affected Versions**
PDW File Browser version 1.3
**Description**
An issue allows authenticated users to perform remote code execution by uploading and renaming webshell files to arbitrary locations on the web server. This is achieved by uploading a .txt webshell, renaming it to .php, and moving it to accessible directories using double-encoded path traversal, which is a technique used to bypass security filters by encoding path characters multiple times to access restricted directories.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.