Description
ShortDescription is a MediaWiki extension that provides local short description support. A cross-site scripting (XSS) vulnerability exists in versions prior to 2.3.4. On a wiki that has the ShortDescription enabled, XSS can be triggered on any page or the page with the action=info parameter, which displays the shortdesc property. This is achieved using the wikitext `{{SHORTDESC:<img src=x onerror=alert()>}}`. This issue has a patch in version 2.3.4.
Published: 2022-01-24
Score: 4.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-26898 ShortDescription is a MediaWiki extension that provides local short description support. A cross-site scripting (XSS) vulnerability exists in versions prior to 2.3.4. On a wiki that has the ShortDescription enabled, XSS can be triggered on any page or the page with the action=info parameter, which displays the shortdesc property. This is achieved using the wikitext `{{SHORTDESC:&lt;img src=x onerror=alert()&gt;}}`. This issue has a patch in version 2.3.4.
History

Tue, 22 Apr 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Mediawiki Shortdescription
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-04-22T18:32:45.525Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2022-21710

cve-icon Vulnrichment

Updated: 2024-08-03T02:53:35.497Z

cve-icon NVD

Status : Modified

Published: 2022-01-24T20:15:08.600

Modified: 2024-11-21T06:45:17.037

Link: CVE-2022-21710

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses