Deserialization in Chancms

CVE-2025-8266

A vulnerability has been found in yanyutao0402 ChanCMS up to 3.1.2 and classified as critical. Affected by this vulnerability is the function getArticle of the file app/modules/cms/controller/collect.js. The manipulation of the argument ta…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (57.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

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)
  • cna@vuldb.com (Release Notes, patch)

Frequently asked questions

What is CVE-2025-8266?
CVE-2025-8266 is a medium-severity vulnerability in Chancms, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2025-07-28.
How severe is CVE-2025-8266?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-8266 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.