CVE-2022-21710

Cross-site Scripting in ShortDescription extension

Published: Jan 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-79

4.7MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

StarCitizenTools

oss-projectaka mediawiki-skins-citizen, mediawiki-extensions-tabberneue, mediawiki-extensions-shortdescription

mediawiki-extensions-ShortDescriptionOn-prem

Web & CMS Plugins / cms-core

mediawiki

oss-project·US

shortdescription

Web & CMS Plugins

Exploitability

1 exploit source identified

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832

github.com

https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea

github.com

https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c

github.com

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