Remote Yes

Type Arbitrary code execution

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).

AVG-1257 wordpress 5.5.1-1 5.5.3-1 Critical Fixed

03 Nov 2020 ASA-202011-3 AVG-1257 wordpress Critical multiple issues

https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c