CVE-2020-28037

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).

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2020-11-02

Last modified

2024-08-04

Weaknesses

CWE-754

Affected products

• Debian Linux (Debian)
• Fedora (Fedoraproject)
• Wordpress (Wordpress)

References

• https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
• https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPB…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQ…
• https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
• https://wpscan.com/vulnerability/10450
• https://www.debian.org/security/2020/dsa-4784