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Path Traversal occurrences in Http-live-simulator
Path traversal vulnerability in http-live-simulator npm package version 1.0.5 allows arbitrary path to be accessed on the file system by a remote attacker. (2019-04-03, CVE-2019-5423)
Path traversal vulnerability in http-live-simulator <1.0.7 causes unauthorized access to arbitrary files on disk by appending extra slashes after the URL. (2019-02-01, CVE-2018-16479)
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).