CVE-2025-62666

MEDIUM

Mediawiki - CirrusSearch Extension <1.43 - DoS

Title source: llm

Description

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.

References (2)

Core 2

Core References

Issue Tracking

https://phabricator.wikimedia.org/T401220

Various Sources

https://gerrit.wikimedia.org/r/q/I3e8d819868c0491b18368af8e543180e747023c2

Scores

CVSS v4 6.9

EPSS 0.0040

EPSS Percentile 31.7%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (1)

The Wikimedia Foundation/Mediawiki - CirrusSearch Extension master - 1.43

Published Oct 18, 2025

Tracked Since Feb 18, 2026