Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently manipulate the update server URL. Joomla! Core versions 3.x.x ranging from 3.8.13 and up to and including 3.9.6 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.7 or latest
References
Related Vulnerabilities
IBM WebSEAL Improper Input Validation Vulnerability (CVE-2021-20496)
Joomla CVE-2014-7229 Vulnerability (CVE-2014-7229)
Atlassian Jira Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2019-20411)
WordPress Plugin WooCommerce Help Scout Arbitrary File Upload (2.9)
WordPress Plugin Google Maps by BestWebSoft Cross-Site Scripting (1.3.5)