This article is a part of our Vulnerability Database (back to index)

Path Traversal occurrences in Bludit

Bludit v3.8.1 is affected by directory traversal. Remote attackers are able to delete arbitrary files via /admin/ajax/upload-profile-picture. (2020-10-02, CVE-2020-18190)

Bludit 3.12.0 allows admins to use a /plugin-backup-download?file=../ directory traversal approach for arbitrary file download via backup/plugin.php. (2020-06-24, CVE-2020-15026)

Bludit 3.9.2 allows remote code execution via bl-kernel/ajax/upload-images.php because PHP code can be entered with a .jpg file name, and then this PHP code can write other PHP code to a ../ pathname. (2019-09-08, CVE-2019-16113)

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).

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