High severity · published Jan 28, 2020
CVE-2020-8420
An issue was discovered in Joomla! before 3.9.15
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
3.0.0 before 3.9.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8420
Vendor Advisory
https://developer.joomla.org/security-centre/799-20200102-core-csrf-com-templates-less-compiler
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