SQL Injection Vulnerability in Yonyou KSOA 9.0 Affects Remote Accessibility
CVE-2025-15421

6.9MEDIUM

Key Information:

Vendor

Yonyou

Status
Ksoa
Vendor
CVE Published:
2 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15421?

A significant SQL injection vulnerability has been identified in the Yonyou KSOA 9.0 platform, specifically within the HTTP GET Parameter Handler implemented in the /worksheet/agent_worksadd.jsp file. This vulnerability allows attackers to manipulate the 'ID' argument, potentially leading to unauthorized access and manipulation of database queries. Exploits are publicly available, and attackers can execute this exploit remotely. The vendor has been notified but has not issued a response.

Affected Version(s)

KSOA 9.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-15421 - Proof of Concept

References

https://vuldb.com/?id.339343
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339343
signaturepermissions-required
https://vuldb.com/?submit.721324
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jiefengliang (VulDB User)
JSON
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CVE-2025-15421 : SQL Injection Vulnerability in Yonyou KSOA 9.0 Affects Remote Accessibility