What is CVE-2025-15421?

CVE-2025-15421 is a high-severity vulnerability in Yonyou Ksoa, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-01-02.

How severe is CVE-2025-15421?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in Yonyou Ksoa

CVE-2025-15421

A vulnerability was detected in Yonyou KSOA 9.0. This vulnerability affects unknown code of the file /worksheet/agent_worksadd.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 is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.004 (31.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Yonyou Ksoa — versions 9.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-15421?: CVE-2025-15421 is a high-severity vulnerability in Yonyou Ksoa, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-01-02.
How severe is CVE-2025-15421?: High severity. CVSS v3 base score is 7.3 out of 10.