External Media <= 1.0.36 - Authenticated(Author+) File Upload to Stored Cross-Site Scripting via SVG
Strategic Overview
Vulnerability Overview
The External Media plugin for WordPress is vulnerable to File Upload due to insufficient file type validation in the isUnsafe function in versions up to, and including, 1.0.36. This makes it possible for authenticated attackers with the upload_files capability, such as authors, to upload dangerous file types such as unsanitized SVG files which can lead to Cross-Site Scripting.
Technical Analysis
REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
External References
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