CVE-2020-28037

CriticalCVSS 9.8/10Last 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).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-754

Affected software

No affected versions have been published.

Timeline

Published
Nov 2, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-280386.1WordPress before 5.5.2 allows stored XSS via post slugs.CVE-2020-280399.1is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whCVE-2020-28045.9Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 5.6.47 anCVE-2020-280404.3WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.CVE-2020-280416.5The SIP ALG implementation on NETGEAR Nighthawk R7000 1.0.9.64_10.2.64 devices allows remote attackers to communicate with arbitrary TCP andCVE-2020-280425.3ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes aCVE-2020-280437.5MISP through 2.4.133 allows SSRF in the REST client via the use_full_path parameter with an arbitrary URL.CVE-2020-280446.8An attacker with physical access to a PAX Point Of Sale device with ProlinOS through 2.4.161.8859R can boot it in management mode, enable thCVE-2020-280457.8An unsigned-library issue was discovered in ProlinOS through 2.4.161.8859R. This OS requires installed applications and all system binaries CVE-2020-280467.8An issue was discovered in ProlinOS through 2.4.161.8859R. An attacker with local code execution privileges as a normal user (MAINAPP) can eCVE-2020-280475.4AudimexEE before 14.1.1 is vulnerable to Reflected XSS (Cross-Site-Scripting). If the recommended security configuration parameter "unique_eCVE-2020-280496.3An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unp
CVE-2020-28037: Critical severity, CVSS 9.8 | Vulnix