CVE-2026-100241: Wikimedia Foundation Mediawiki - Eventbus Extension

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation. This issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.

Affected products

• Wikimedia Foundation Mediawiki - Eventbus Extension: version 1.47.0-alpha only

Published 2026-09-29. Last modified 2026-09-30.