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Path Traversal occurrences in Olea Gift On Order
The Module Olea Gift On Order module through 5.0.8 for PrestaShop enables an unauthenticated user to read arbitrary files on the server via getfile.php?file=/.. directory traversal. (2020-11-02, CVE-2020-9368)
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).