Advanced Sermons <= 3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting
Vulnerability Description
The Advanced Sermons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘sermon_video_embed’ parameter in all versions up to, and including, 3.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, 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:
- vgo0
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/41859e1c-1ae0-49f1-82d3-5af3c15994ef?source=cve
- https://plugins.trac.wordpress.org/browser/advanced-sermons/trunk/admin/meta/sermon-details.php#L396
- https://plugins.trac.wordpress.org/browser/advanced-sermons/trunk/include/templates/sections/video-template.php#L18
- https://plugins.trac.wordpress.org/browser/advanced-sermons/trunk/include/templates/sections/video-template.php#L124
- https://plugins.trac.wordpress.org/changeset/3147283/
Affected Vendor
wpcodeus
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