All vulnerabilities

Servers and applications

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 causes a CSRF vulnerability.

Severity
High 8.8
Published
28 Jan 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.9.15
Sources
NVD

Affected software

SoftwareAffected versions
Joomla!Servers and applications · cpe:a:joomla:joomla\!
  • From 3.0.0 before 3.9.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-8420
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-8420