CVE-2020-28037

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CVSS 3.1

9.8 critical

EPSS

8%p94

Published

Nov 2, 2020 (Nov 2, 2020)

Modified

Jun 17, 2026

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).

Vendors: wordpress fedoraproject debian
Products: wordpress, fedora, debian linux
Ecosystems: WordPress
Weakness: CWE-754
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (8.1%)

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