CVE-2025-3531

Name: CVE-2025-3531
Creator: NVD / NIST
Published: 2025-04-13T06:15:14.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2025-3531 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.38%

29.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Youdiancms	Youdiancms	9.5.21

References

https://github.com/zonesec0/findcve/issues/4Exploit, Issue Tracking, Vendor Advisory
https://github.com/zonesec0/findcve/issues/5Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.304569Permissions Required, VDB Entry
https://vuldb.com/?id.304569Third Party Advisory, VDB Entry
https://vuldb.com/?submit.543080Third Party Advisory, VDB Entry

Timeline

Published: Apr 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3531?

How severe is CVE-2025-3531?

CVE-2025-3531 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3531?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3531?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST