UBUNTU-CVE-2020-28037

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Source
https://ubuntu.com/security/CVE-2020-28037
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28037.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-28037
Upstream
Published
2020-11-02T21:15:00Z
Modified
2025-09-08T16:46:28Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

isbloginstalled 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

Affected packages

Ubuntu:Pro:16.04:LTS / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@4.4.2+dfsg-1ubuntu1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.3+dfsg-1
4.3.1+dfsg-1
4.4+dfsg-1
4.4.1+dfsg-1
4.4.2+dfsg-1
4.4.2+dfsg-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "4.4.2+dfsg-1ubuntu1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "4.4.2+dfsg-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentyfifteen",
            "binary_version": "4.4.2+dfsg-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentyfourteen",
            "binary_version": "4.4.2+dfsg-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentysixteen",
            "binary_version": "4.4.2+dfsg-1ubuntu1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@4.9.5+dfsg1-1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.8.2+dfsg-2
4.8.3+dfsg-1
4.9.1+dfsg-1
4.9.2+dfsg-1
4.9.4+dfsg-1
4.9.5+dfsg1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "4.9.5+dfsg1-1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "4.9.5+dfsg1-1"
        },
        {
            "binary_name": "wordpress-theme-twentyfifteen",
            "binary_version": "4.9.5+dfsg1-1"
        },
        {
            "binary_name": "wordpress-theme-twentyseventeen",
            "binary_version": "4.9.5+dfsg1-1"
        },
        {
            "binary_name": "wordpress-theme-twentysixteen",
            "binary_version": "4.9.5+dfsg1-1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@5.3.2+dfsg1-1ubuntu1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.2.2+dfsg1-1
5.2.4+dfsg1-1
5.3.2+dfsg1-1
5.3.2+dfsg1-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "5.3.2+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "5.3.2+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentynineteen",
            "binary_version": "5.3.2+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentyseventeen",
            "binary_version": "5.3.2+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentysixteen",
            "binary_version": "5.3.2+dfsg1-1ubuntu1"
        }
    ]
}

Ubuntu:22.04:LTS / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@5.8.3+dfsg1-1ubuntu1.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.7.1+dfsg1-2ubuntu1
5.8.1+dfsg1-2ubuntu1
5.8.2+dfsg1-1ubuntu1
5.8.3+dfsg1-1ubuntu1
5.8.3+dfsg1-1ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "5.8.3+dfsg1-1ubuntu1.1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "5.8.3+dfsg1-1ubuntu1.1"
        },
        {
            "binary_name": "wordpress-theme-twentynineteen",
            "binary_version": "5.8.3+dfsg1-1ubuntu1.1"
        },
        {
            "binary_name": "wordpress-theme-twentytwenty",
            "binary_version": "5.8.3+dfsg1-1ubuntu1.1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentyone",
            "binary_version": "5.8.3+dfsg1-1ubuntu1.1"
        }
    ]
}

Ubuntu:24.04:LTS / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@6.4.3+dfsg1-1ubuntu1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

6.*

6.2+dfsg1-1ubuntu1
6.4.3+dfsg1-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "6.4.3+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "6.4.3+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentyfour",
            "binary_version": "6.4.3+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentythree",
            "binary_version": "6.4.3+dfsg1-1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentytwo",
            "binary_version": "6.4.3+dfsg1-1ubuntu1"
        }
    ]
}

Ubuntu:25.04 / wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@6.7.2+dfsg1-1.1ubuntu1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

6.*

6.4.3+dfsg1-1ubuntu1
6.7.2+dfsg1-1.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wordpress",
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1"
        },
        {
            "binary_name": "wordpress-l10n",
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentyfive",
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentyfour",
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1"
        },
        {
            "binary_name": "wordpress-theme-twentytwentythree",
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1"
        }
    ]
}