CVE-2015-8001: Mediawiki

Low severity, CVSS 3.5. EPSS: 1.6% chance of exploitation in the next 30 days.

The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.

Affected products

• Mediawiki Mediawiki: up to and including 1.23.10; version 1.24.0 only; version 1.24.1 only; version 1.24.2 only; version 1.24.3 only; version 1.25.0 only; …

Published 2015-11-09. Last modified 2026-06-17.