Vulnerabilities > CVE-2021-44223 - Unspecified vulnerability in Wordpress
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
WordPress before 5.8 lacks support for the Update URI plugin header. This makes it easier for remote attackers to execute arbitrary code via a supply-chain attack against WordPress installations that use any plugin for which the slug satisfies the naming constraints of the WordPress.org Plugin Directory but is not yet present in that directory.
Vulnerable Configurations
References
- https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/
- https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/
- https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/
- https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/