CVE-2025-3531: YouDianCMS index.html cross site scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-13 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

YouDianCMS: 9.5.21

References

https://github.com/zonesec0/findcve/issues/4
https://github.com/zonesec0/findcve/issues/5
https://vuldb.com/?ctiid.304569
https://vuldb.com/?id.304569
https://vuldb.com/?submit.543080

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