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An unauthenticated path traversal vulnerability exists in the STAGIL Navigation for Jira - Menu & Themes plugin prior to version 2.0.52. The vulnerability is present in the snjFooterNavigationConfig endpoint, where the fileName parameter is insufficiently sanitized, allowing attackers to manipulate it to traverse directories and read arbitrary files from the file system.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a Python proof-of-concept exploit for CVE-2023-26255 and CVE-2023-26256, targeting the STAGIL Navigation for Jira - Menu & Themes plugin. The exploit leverages an unauthenticated directory traversal vulnerability to read arbitrary files from the server, demonstrated by attempting to access /etc/passwd. The main script, CVE-2023-26256.py, accepts either a single URL or a file containing multiple URLs and attempts the exploit on each. It uses two vulnerable endpoints: /plugins/servlet/snjFooterNavigationConfig and /plugins/servlet/snjCustomDesignConfig, both with a crafted fileName parameter. The script checks for the presence of the string 'root' in the response to confirm successful exploitation. The repository also includes a README with usage instructions. No payload is delivered beyond file read, and the exploit is unauthenticated and network-based.
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