Widget Responsive for Youtube <= 1.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Vulnerability Description
The Widget Responsive for Youtube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube' shortcode in versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/72daa533-8b17-420c-9b51-b5f72da2726c?source=cve
- https://plugins.trac.wordpress.org/browser/youtube-widget-responsive/trunk/youtube-widget-responsive.php?rev=2905626#L246
- https://plugins.trac.wordpress.org/changeset/2968766/youtube-widget-responsive#file1
Affected Vendor
stefanoai
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