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Path Traversal occurrences in Tinyfilemanager
A Path Traversal vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload a file (with Admin credentials or with the CSRF vulnerability) with the "fullpath" parameter containing path traversal strings (../ and ..\) in order to escape the server's intended working directory and write malicious files onto any directory on the computer. (2021-09-15, CVE-2021-40964)
Why Path Traversal can be dangerous
Relative Path Confusion means that your web server is configured to serve responses to ambiguous URLs. This configuration can possibly cause confusion about the correct relative path for the URL. It is also an issue of resources, such as images, styles etc., which are specified in the response using relative path, not the absolute URL.
If the web browser permits to parse "cross-content" response, the attacker may be able to fool the web browser into interpreting HTML into other content types, which can then lead to a cross site scripting attack (link do XSS).