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TI-2025-03542 Aliases CVE-2025-3999GHSA-66m2-cpmm-mc9x

Seeyon Zhiyuan OA Web Application System URL Parameter date.jsp cross site scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability, which was classified as problematic, has been found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. This issue affects some unknown processing of the file seeyon\opt\Seeyon\A8\ApacheJetspeed\webapps\seeyon\common\js\addDate\date.jsp of the component URL Parameter Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SeeyonZhiyuan OA Web Application System8.1 SP2—No fix listedCNA
  • Zhiyuan OA Web Application System VendorSeeyon Affected 8.1 SP2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:seeyon:oa_web_application_system:8.1:sp2:*:*:*:*:*:*8.1 sp2VulnerableSeeyon
  • cpe:2.3:a:seeyon:oa_web_application_system:8.1:sp2:*:*:*:*:*:* Versions 8.1 sp2 Vulnerable ·Seeyon

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-3999
  2. 2026-10-03 Alias added: GHSA-66m2-cpmm-mc9x

References

Exploit 1

  • TI-2025-04046 Seeyon Zhiyuan OA Web Application System Beetl Template EhrSalaryPayrollServiceImpl.class postData code injection CVSS 4.0MEDIUM 5.3
  • TI-2025-04044 Seeyon Zhiyuan OA Web Application System ZIP File M3CoreController.class download path traversal CVSS 4.0MEDIUM 5.3
  • TI-2025-03543 Seeyon Zhiyuan OA Web Application System ssoproxy.jsp cross site scripting CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences