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).

Remediation

References

CVE-2020-28037

Related Vulnerabilities

Magento Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-7897)

Oracle Database Server CVE-2019-2734 Vulnerability (CVE-2019-2734)

jQuery UI Dialog Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-31160)

WordPress 4.5.x Multiple Vulnerabilities (4.5 - 4.5.3)

MediaWiki Other Vulnerability (CVE-2005-1888)

Severity

Critical

Classification

CVE-2020-28037 CWE-20 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities