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Critical · 10.0 Scanner template Public exploit CVE-2025-34040 EUVD-2025-19043GHSA-mxx7-67f4-p53j

Seeyon Zhiyuan OA System Path Traversal File Upload

Published Jun 24, 2025 · Updated May 14, 2026 · Assigned by VulnCheck

Vendor: Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Product: Zhiyuan OA Web Application System

Description

An arbitrary file upload vulnerability exists in the Zhiyuan OA platform via the wpsAssistServlet interface. The realFileType and fileId parameters are improperly validated during multipart file uploads, allowing unauthenticated attackers to upload crafted JSP files outside of intended directories using path traversal. Successful exploitation enables remote code execution as the uploaded file can be accessed and executed through the web server. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-01 UTC.

Affected products

VendorProductAffectedFixed
Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Zhiyuan OA Web Application System 5.0, 5.1 – ≤ 5.6sp1, 6.0 – ≤ 6.1sp2, 7.0, 7.0sp1 – ≤ 7.1, 7.1sp1, 8.0 – ≤ 8.0sp2 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References