{"schemaVersion":3,"id":"CVE-2026-103050","aliases":["UBUNTU-CVE-2026-103050"],"status":"published","duplicateOf":null,"title":null,"description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS.\n\nThis issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 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Tracking","REPORT"]},{"url":"https://gerrit.wikimedia.org/r/c/1346089","label":"gerrit.wikimedia.org/r/c/1346089","hostname":"gerrit.wikimedia.org","tags":["Mitigation","REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-103050","label":"ubuntu.com/security/CVE-2026-103050","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103050","label":"www.cve.org/CVERecord?id=CVE-2026-103050","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-29T23:11:02.272Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-30T20:01:03.537Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T16:40:07.866Z","stale":false,"partial":false}}