RCE in Youdiancms
CVE-2025-3533
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Youdiancms — versions 9.5.21
- N/a Youdiancms — versions 9.5.21
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-3533?
- CVE-2025-3533 is a medium-severity vulnerability in Youdiancms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2025-04-13.
- How severe is CVE-2025-3533?
- Medium severity. CVSS v3 base score is 4.3 out of 10.