Description
Joomla! Core is prone to an information disclosure vulnerability. Attackers can exploit this issue to obtain sensitive information that may help in launching further attacks. Joomla! Core versions 3.9.x ranging from 3.9.0 and up to and including 3.9.22 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.23 or latest
References
Related Vulnerabilities
Joomla Improper Input Validation Vulnerability (CVE-2018-11321)
MediaWiki Missing Authentication for Critical Function Vulnerability (CVE-2019-12468)
Envoy Proxy Uncontrolled Resource Consumption Vulnerability (CVE-2019-15226)
Liferay DXP CVE-2021-33330 Vulnerability (CVE-2021-33330)
WordPress Plugin Annonces 'theme.php' Arbitrary File Upload (1.2.0.1)