Description
is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether WordPress is already installed, which might allow an attacker to perform a new installation, leading to remote code execution (as well as a denial of service for the old installation).
Remediation
References
Related Vulnerabilities
IBM RTC Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-6129)
Ruby Cryptographic Issues Vulnerability (CVE-2011-2686)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-3390)
phpMyAdmin Other Vulnerability (CVE-2006-1804)
WordPress Plugin Media Library Assistant Information Disclosure (3.00)