Advanced iFrame <= 2026.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutenberg Block 'additional' Attribute

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'additional' parameter in all versions up to, and including, 2026.1 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.

Advanced iFrame <= 2025.6 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'additional' parameter in version less than, or equal to, 2025.6 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.

WordPress Advanced iFrame plugin <= 2025.10 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mdempfle Advanced iFrame advanced-iframe allows DOM-Based XSS.This issue affects Advanced iFrame: from n/a through <= 2025.10.

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.