UBUNTU-CVE-2021-39203

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Source
https://ubuntu.com/security/CVE-2021-39203
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-39203
Upstream
Published
2021-09-09T22:15:00Z
Modified
2026-01-20T18:13:20.076593Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions. This affected WordPress 5.8 beta during the testing period. It's fixed in the final 5.8 release.

References

Affected packages

Ubuntu:16.04:LTS
wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@4.4.2+dfsg-1ubuntu1?arch=source&distro=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_version": "4.4.2+dfsg-1ubuntu1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"
Ubuntu:18.04:LTS
wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@4.9.5+dfsg1-1?arch=source&distro=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_version": "4.9.5+dfsg1-1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"
Ubuntu:20.04:LTS
wordpress

Package

Name
wordpress
Purl
pkg:deb/ubuntu/wordpress@5.3.2+dfsg1-1ubuntu1?arch=source&distro=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_version": "5.3.2+dfsg1-1ubuntu1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"
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_version": "5.8.3+dfsg1-1ubuntu1.1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"
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_version": "6.4.3+dfsg1-1ubuntu1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"
Ubuntu:25.10
wordpress

Package

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

Affected ranges

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

Affected versions

6.*
6.7.2+dfsg1-1.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "6.7.2+dfsg1-1.1ubuntu1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39203.json"