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CVE-2025-34040 is an arbitrary file upload vulnerability in the Zhiyuan OA platform's wpsAssistServlet interface. During multipart upload handling, the realFileType and fileId parameters are improperly validated. An unauthenticated attacker can supply crafted values, including path traversal sequences, to place an uploaded JSP file outside the intended upload directory. Because the uploaded JSP can then be reached through the web server and executed, the flaw results in remote code execution.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a Python exploit script (CVE-2025-34040Exp.py) and a README.md. The exploit targets Zhiyuan Seeyon OA systems vulnerable to CVE-2025-34040, a file upload vulnerability that leads to remote code execution (RCE). The script allows the user to specify a single URL or a file containing multiple URLs for batch exploitation. It uploads a user-specified (or default) JSP payload to the server via a crafted POST request to the /seeyon/wpsAssistServlet endpoint, abusing the 'realFileType' parameter to write the file to the web root. If successful, the script verifies the upload by accessing the uploaded file directly. The payload is a simple JSP webshell that prints a string, but can be customized. The exploit is operational and provides a working RCE if the target is vulnerable. The repository is well-structured, with clear usage instructions in the README.
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