WordPress Core < 5.5.2 - Misconfiguration That Allows Trigger of New Installation

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4.8
Improper Authorization
CVE CVE-2020-28037
CVSS 4.8 (Medium)
Publicly Published October 29, 2020
Last Updated August 14, 2023
Researcher Omar Ganiev

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).

References

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1 affected software package

WordPress

Software Type Core
Patched? Yes
Remediation Update to one of the following versions, or a newer patched version: 3.7.35, 3.8.35, 3.9.33, 4.0.32, 4.1.32, 4.2.29, 4.3.25, 4.4.24, 4.5.23, 4.6.20, 4.7.19, 4.8.15, 4.9.16, 5.0.11, 5.1.7, 5.2.8, 5.3.5, 5.4.3, 5.5.2
Affected Versions
  • < 3.7
  • 5.1 - 5.1.6
  • 5.2 - 5.2.7
  • 5.3 - 5.3.4
Expand to see 16 more affected version ranges.
  • 5.4 - 5.4.2
  • 5.5 - 5.5.1
  • 3.7 - 3.7.34
  • 3.8 - 3.8.34
  • 3.9 - 3.9.32
  • 4.0 - 4.0.31
  • 4.1 - 4.1.31
  • 4.2 - 4.2.28
  • 4.3 - 4.3.24
  • 4.4 - 4.4.23
  • 4.5 - 4.5.22
  • 4.6 - 4.6.19
  • 4.7 - 4.7.18
  • 4.8 - 4.8.14
  • 4.9 - 4.9.15
  • 5.0 - 5.0.10
Patched Versions
  • 3.7.35
  • 3.8.35
  • 3.9.33
  • 4.0.32
Expand to see 15 more patched versions.
  • 4.1.32
  • 4.2.29
  • 4.3.25
  • 4.4.24
  • 4.5.23
  • 4.6.20
  • 4.7.19
  • 4.8.15
  • 4.9.16
  • 5.0.11
  • 5.1.7
  • 5.2.8
  • 5.3.5
  • 5.4.3
  • 5.5.2

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