Description
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.
Remediation
References
Related Vulnerabilities
SharePoint Deserialization of Untrusted Data Vulnerability (CVE-2025-54897)
Joomla! Core 3.x.x Multiple Cross-Site Scripting Vulnerabilities (3.0.0 - 3.8.7)
WordPress Plugin WordPress Alipay/Tenpay/PayPal SQL Injection (3.7.2)
WordPress Plugin Easy Testimonials Cross-Site Scripting (1.36.1)
Jboss EAP Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-3586)