CVE-2025-62666: The Wikimedia Foundation Mediawiki - Cirrussearch Extension

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Allocation of Resources Without Limits or Throttling vulnerability in The Wikimedia Foundation Mediawiki - CirrusSearch Extension allows HTTP DoS.This issue affects Mediawiki - CirrusSearch Extension: from master before 1.43.

Affected products

• The Wikimedia Foundation Mediawiki - Cirrussearch Extension

Published 2025-10-18. Last modified 2026-10-09.