WordPress core
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).
- Severity
- Critical 9.8
- Published
- 2 Nov 2020
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 17 Oct 2026
- Fixed in
- 5.5.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
WordPressWordPress core · cpe:a:wordpress:wordpress |
|