Advanced iFrame <= 2024.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Host Header

Vulnerability Description

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'advanced_iframe' shortcode in all versions up to, and including, 2024.5 due to insufficient input sanitization and output escaping on user supplied attributes through the 'src' attribute when the src supplied returns a header with an injected value . 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.

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/5ac1145b-5ab1-47a9-9117-4870c52a70fc?source=cve
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3255604%40advanced-iframe&new=3255604%40advanced-iframe&sfp_email=&sfph_mail=