{"api_version":"1","generated_at":"2026-07-24T23:42:52+00:00","cve":"CVE-2022-21710","urls":{"html":"https://cve.report/CVE-2022-21710","api":"https://cve.report/api/cve/CVE-2022-21710.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-21710","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-21710"},"summary":{"title":"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:&lt;img src=x onerror=alert()&gt;}}`. 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This issue has a patch in version 2.3.4."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]},"references":{"reference_data":[{"name":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832","refsource":"CONFIRM","url":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832"},{"name":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea","refsource":"MISC","url":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea"},{"name":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c","refsource":"MISC","url":"https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c"}]},"source":{"advisory":"GHSA-mgcp-qw2r-6832","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-01-24 20:15:00","lastModifiedDate":"2022-01-28 18:56:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mediawiki:shortdescription:*:*:*:*:*:mediawiki:*:*","versionEndExcluding":"2.3.4","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"21710","Ordinal":"221434","Title":"CVE-2022-21710","CVE":"CVE-2022-21710","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"21710","Ordinal":"1","NoteData":"ShortDescription is a MediaWiki extension that provides local short description support. 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