Vulnerability CVE-2023-4775
Published: 2023-11-13

Description:
The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'advanced_iframe' shortcode in versions up to, and including, 2023.8 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.

 References:
https://www.wordfence.com/threat-intel/vulnerabilities/id/e9944443-2e71-45c4-8a19-d76863cf66df?source=cve
https://plugins.trac.wordpress.org/browser/advanced-iframe/trunk/includes/advanced-iframe-main-iframe.php?rev=2961394#L552
https://plugins.trac.wordpress.org/browser/advanced-iframe/trunk/includes/advanced-iframe-main-iframe.php?rev=2961394#L419
https://plugins.trac.wordpress.org/changeset/2993602/advanced-iframe
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