CVE-2025-62666 MEDIUM

CVE-2025-62666: DoS vector through the cirrusbuilddoc query API

Vendor The Wikimedia Foundation
Product Mediawiki - CirrusSearch Extension
Weakness CWE-770 · Uncontrolled resource consumption
Published October 18, 2025
Last update October 20, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 18, 2025 CVE published
October 20, 2025 Record updated