UBUNTU-CVE-2021-44856

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Source
https://ubuntu.com/security/CVE-2021-44856
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44856.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-44856
Upstream
Published
2022-12-26T06:15:00Z
Modified
2025-09-08T16:47:26Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.

References

Affected packages

Ubuntu:Pro:18.04:LTS / mediawiki

Package

Name
mediawiki
Purl
pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1:1.*

1:1.27.3-1
1:1.27.4-1
1:1.27.4-2
1:1.27.4-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mediawiki",
            "binary_version": "1:1.27.4-3"
        },
        {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.27.4-3"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / mediawiki

Package

Name
mediawiki
Purl
pkg:deb/ubuntu/mediawiki@1:1.31.7-1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1:1.*

1:1.31.2-1ubuntu1
1:1.31.5-1
1:1.31.5-1ubuntu1
1:1.31.5-2
1:1.31.5-3
1:1.31.5-3ubuntu1
1:1.31.6-1
1:1.31.7-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mediawiki",
            "binary_version": "1:1.31.7-1"
        },
        {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.31.7-1"
        }
    ]
}