Home/CVE/An issue was discovered in Joomla! before 3.9.15. A missing CSRF token check in the LESS compiler of com_templates cause
CVE

CVE-2020-8420

An issue was discovered in Joomla! before 3.9.15. A missing CSRF token check in the LESS compiler of com_templates cause

An issue was discovered in Joomla! before 3.9.15. A missing CSRF token check in the LESS compiler of com_templates causes a CSRF vulnerability.

HIGH · CVSS 8.8 EPSS 0.00529
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-352Cross-Site Request Forgery (CSRF)
▤

Affected Products & Versions

1
joomla joomla\!>= 3.0.0 and < 3.9.15
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://developer.joomla.org/security-centre/799-20200102-core-csrf-com-templates-less-compilerVendor Advisory
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