UBUNTU-CVE-2021-30154

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Source
https://ubuntu.com/security/CVE-2021-30154
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-30154.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-30154
Upstream
Published
2021-04-06T07:15:00Z
Modified
2025-09-08T16:47:07Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.

References

Affected packages

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