Vulnerability · Published Oct 18, 2025 · Assigned by wikimedia-foundation
CVE-2025-62666DoS vector through the cirrusbuilddoc query API
Medium 6.9
In plain English
A medium-severity resource allocation without limits in Mediawiki - CirrusSearch Extension from The Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.4%top 61.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The Wikimedia Foundation | Mediawiki - CirrusSearch Extension | master – before 1.43 |
Weakness: CWE-770 · 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