{"schema":"threatline.record/2","record":{"id":"CVE-2026-100383","aliases":[],"summary":"Stored i18n XSS in WikiLambda's VisualEditor integration","details":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Cross-Site Scripting (XSS).\n\nThis issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.","categories":["Applications & CMS"],"product":"Mediawiki - WikiLambda Extension","vendor":"Wikimedia Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100383","source_modified_at":"2026-09-26T22:51:17.609Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mediawiki - WikiLambda Extension","vendor":"Wikimedia Foundation","versions":[{"status":"affected","version":"1.47.0-alpha"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":4.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00316,"percentile":0.23293,"score_date":"2026-10-23"},"published_at":"2026-09-25T21:05:51.966Z","modified_at":"2026-09-26T22:51:17.609Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100383","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-26T22:51:17.609Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100383","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://phabricator.wikimedia.org/T434967"},{"source":"CVE List","url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1326391"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-26T22:43:28.118353Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-26T22:51:17.609Z","content_hash":"a30f9004c105cc6dc33dcb4ba2700b0bd58d6379926a18cbab4e731e86176bbd"}}