{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100241", "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "state": "PUBLISHED", "assignerShortName": "wikimedia-foundation", "dateReserved": "2026-09-25T16:02:34.842Z", "datePublished": "2026-09-29T16:36:22.492Z", "dateUpdated": "2026-09-29T16:36:22.492Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "shortName": "wikimedia-foundation", "dateUpdated": "2026-09-29T16:36:22.492Z"}, "title": "Private change tags exposed to anonymous users via revision-tags-change events", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-116", "descriptions": [{"lang": "en", "value": "CAPEC-116 Excavation"}]}], "affected": [{"vendor": "Wikimedia Foundation", "product": "Mediawiki - EventBus Extension", "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/EventBus/+/refs/heads/master", "versions": [{"status": "affected", "version": "1.47.0-alpha"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.\n\nThis issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.<p>This issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.</p>"}]}], "references": [{"url": "https://phabricator.wikimedia.org/T432948"}, {"url": "https://gerrit.wikimedia.org/r/q/I6d79037edc771fe9a2889c543e12cf7b1296aab8"}], "credits": [{"lang": "en", "value": "kostajh", "type": "finder"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mediawiki - EventBus Extension", "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/EventBus/+/refs/heads/master", "vendor": "Wikimedia Foundation", "versions": [{"status": "affected", "version": "1.47.0-alpha"}]}], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.\n\nThis issue affects Mediawiki - EventBus Extension: 1.47.0-alpha."}], "id": "CVE-2026-100241", "lastModified": "2026-09-29T17:17:01.113", "metrics": {}, "published": "2026-09-29T17:17:01.113", "references": [{"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "url": "https://gerrit.wikimedia.org/r/q/I6d79037edc771fe9a2889c543e12cf7b1296aab8"}, {"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "url": "https://phabricator.wikimedia.org/T432948"}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "type": "Secondary"}]}

{}

{}