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TI-2025-03104 Aliases CVE-2025-3533GHSA-x36r-q6h9-f8g8

YouDianCMS index.html.Attackers cross site scripting

Priority MEDIUM 57CWE-79Published · Updated

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, which was classified as problematic, has been found in YouDianCMS 9.5.21. This issue affects some unknown processing of the file /App/Tpl/Admin/Default/Channel/index.html.Attackers. The manipulation of the argument Parent leads to cross site scripting. The attack may be initiated 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 Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0047 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
—YouDianCMS9.5.21—No fix listedCNA
  • YouDianCMS Vendor— Affected 9.5.21 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:youdiancms:youdiancms:9.5.21:*:*:*:*:*:*:*9.5.21VulnerableYoudiancms
  • 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

  1. 2026-10-02 Threatist record created from CVE-2025-3533
  2. 2026-10-03 Alias added: GHSA-x36r-q6h9-f8g8

References

Exploit 1

  • 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-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
  • TI-2022-14005 YoudianCMS v9.5.0 was discovered to contain a SQL injection vulnerability via the IdList… 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