A vulnerability was found in Yonyou KSOA 9.0. This affects an unknown function of the file /worksheet/del_workplan.jsp of the component HTTP GET Parameter Handler. The manipulation of the argument ID results in sql injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
With a CVSS score of 5.5, this vulnerability is classified as medium severity. The potential for exploitation is significant, as it allows attackers to manipulate SQL queries, which may lead to unauthorized data access or modification.
Risk to organizations includes potential data breaches, corruption of critical information, and possible disruptions to business operations. Organizations should prioritize addressing this vulnerability as part of their security posture.
Immediate patching and remediation efforts are recommended to mitigate this vulnerability and safeguard against potential exploitation.
Vulnerability Details
The vulnerability allows for SQL injection through the manipulation of the ID parameter in the specified file. It is classified under CWE-89 (SQL Injection) and has been analyzed with a CVSS 4.0 score of 5.5 and CVSS 3.1 score of 9.8, indicating a severe risk if exploited.
The affected product is Yonyou KSOA version 9.0, which could be vulnerable across its implementations. The vulnerability was published on January 18, 2026.
Technical Analysis
The root cause of this vulnerability lies in improper handling of user inputs leading to SQL query manipulation. Attackers can exploit this through network access, without requiring privileges or user interaction, making it particularly dangerous.
The attack complexity is low, as the vulnerability can be exploited through standard HTTP requests. The impacts include low confidentiality, integrity, and availability, but successful exploitation can lead to significant adverse effects on data integrity.
Risk & Impact Analysis
Organizations utilizing Yonyou KSOA 9.0 face real-world risks, including potential data breaches and loss of sensitive information. The blast radius could extend to any systems interfacing with the vulnerable component, highlighting the need for immediate remediation.
Given the low exploitability score and the public nature of the exploit, organizations should assess their exposure and address this vulnerability as part of their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected product is Yonyou KSOA version 9.0. Organizations using this version should prioritize patching to address this vulnerability.
Mitigation & Remediation
Organizations should implement the latest patches from Yonyou to remediate this vulnerability. If patches are not available, consider applying configuration changes or network controls to mitigate exposure.
Further, organizations should engage in continuous security testing to ensure that similar vulnerabilities are identified and remediated promptly. For comprehensive security strategies, consider exploring penetration testing services.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor for unusual SQL query patterns and validate logs for unauthorized access attempts.
AppSecure Threat Intelligence Insight
This vulnerability underscores the continuing risk posed by SQL injection vulnerabilities in web applications. Security teams should prioritize training on secure coding practices to prevent similar issues in the future.
For further reading, explore our articles on API security testing and cloud penetration testing strategies.
Additionally, consider reviewing our penetration testing methodology to enhance your organization's security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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