RCE in Chancms
CVE-2025-11905
A vulnerability was found in yanyutao0402 ChanCMS up to 3.3.2. This vulnerability affects the function getArticle of the file app\modules\cms\controller\gather.js. The manipulation results in code injection. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.001
Affected products
- Chancms
- Yanyutao0402 Chancms — versions 3.3.0, 3.3.1, 3.3.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/NarcherAlter/Security_Note/blob/main/Vulnerability_Discovery/ChanCMS… (related, Exploit, Third Party Advisory)
- github.com/NarcherAlter/Security_Note/blob/main/Vulnerability_Discovery/ChanCMS… (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-11905?
- CVE-2025-11905 is a medium-severity vulnerability in Chancms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-10-17.
- How severe is CVE-2025-11905?
- Medium severity. CVSS v3 base score is 6.3 out of 10.