Unrated severityNVD Advisory· Published Jan 24, 2022· Updated Apr 22, 2025
Cross-site Scripting in ShortDescription extension
CVE-2022-21710
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<2.3.4+ 1 more
- (no CPE)range: <2.3.4
- (no CPE)range: < 2.3.4
Patches
Vulnerability mechanics
References
3- github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48eamitrex_refsource_MISC
- github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12cmitrex_refsource_MISC
- github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832mitrex_refsource_CONFIRM
News mentions
0No linked articles in our index yet.