RCE in Chancms
CVE-2025-65602
A template injection vulnerability in the /vip/v1/file/save component of ChanCMS v3.3.4 allows attackers to execute arbitrary code via a crafted POST request.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Chancms — versions 3.3.4
Weakness classification (CWE)
References
- gitee.com/chancms/ChanCMS (Product)
- www.notion.so/ChanCMS-Unauthenticated-RCE-2a3ee9235ba380fc9973e16c06258689 (Permissions Required)
- www.notion.so/ChanCMS-Unauthenticated-RCE-2a3ee9235ba380fc9973e16c06258689 (Permissions Required)
Frequently asked questions
- What is CVE-2025-65602?
- CVE-2025-65602 is a critical-severity vulnerability in Chancms, classified under Code Injection. CVSS score: 9.8/10. Published 2025-12-10.
- How severe is CVE-2025-65602?
- Critical severity. CVSS v3 base score is 9.8 out of 10.