Vulnerability 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).
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.5.2 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096caPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpscan.com/vulnerability/10450Third Party Advisory
- https://www.debian.org/security/2020/dsa-4784Third Party Advisory
- https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096caPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpscan.com/vulnerability/10450Third Party Advisory
FAQ
What is CVE-2020-28037?
CVE-2020-28037 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, lead...
How severe is CVE-2020-28037?
CVE-2020-28037 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-28037?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Fedoraproject Fedora, Debian Debian Linux.