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Status published
Critical
CVE-2020-28037
is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether...
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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
- https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
- https://wpscan.com/vulnerability/10450
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html
- https://www.debian.org/security/2020/dsa-4784
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/
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Affected Vendor
wordpress
View all reports →Affected Software
wordpress, fedora, debian linux
Vulnerable Versions:
0, 31, 32, 33, 10.0
Timeline
Official Publish:
October 31st, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.