TI-2025-03102 Aliases CVE-2025-3531 GHSA-6whm-6hpx-vjhj

YouDianCMS index.html cross site scripting

LOW 24CWE-79Published 2025-04-13 · Updated 2025-04-14

Key facts

Attack vector: Network
Privileges required: None
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 classified as problematic has been found in YouDianCMS 9.5.21. This affects an unknown part of the file /App/Tpl/Admin/Default/Log/index.html. The manipulation of the argument UserName/LogType leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0047 40th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD and the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	YouDianCMS	9.5.21	—	No fix listed	CNA

YouDianCMS Vendor— Affected 9.5.21 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:youdiancms:youdiancms:9.5.21:::::::*	9.5.21	Vulnerable	Youdiancms

cpe:2.3:a:youdiancms:youdiancms:9.5.21:*:*:*:*:*:*:* Versions 9.5.21 Vulnerable ·Youdiancms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-3531
2026-10-03 Alias added: GHSA-6whm-6hpx-vjhj

References

Exploit 2

TI-2024-06789 YouDianCMS information disclosure CVSS 4.0MEDIUM 6.9
TI-2025-03103 YouDianCMS index.html.Attackers cross site scripting CVSS 4.0MEDIUM 5.3
TI-2025-03104 YouDianCMS index.html.Attackers cross site scripting CVSS 4.0MEDIUM 5.3
TI-2024-06791 YouDianCMS ydLib.php curl_exec server-side request forgery CVSS 4.0MEDIUM 5.3
TI-2024-06790 YouDianCMS image_upload.php unrestricted upload CVSS 4.0MEDIUM 5.3
TI-2024-37768 An issue in youdiancms v.9.5.20 and before allows a remote attacker to escalate… CVSS 3.1CRITICAL 9.8

See all 11 →

Sources

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