Vulnerability Details CVE-2022-21710
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 53.6%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 4.3
References
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
- https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
Products affected by CVE-2022-21710
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cpe:2.3:a:mediawiki:shortdescription:1.0.1
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cpe:2.3:a:mediawiki:shortdescription:2.0.0
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cpe:2.3:a:mediawiki:shortdescription:2.1.0
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cpe:2.3:a:mediawiki:shortdescription:2.2.0
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cpe:2.3:a:mediawiki:shortdescription:2.3.0
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cpe:2.3:a:mediawiki:shortdescription:2.3.1
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cpe:2.3:a:mediawiki:shortdescription:2.3.2
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cpe:2.3:a:mediawiki:shortdescription:2.3.3