Medium CVSS 6.4

Overview

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.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.4 (MEDIUM)
  • Detected tags: wordpress, xss (tag impact: MODERATE)

Recommended actions:

  • Apply context-aware output encoding.
  • Enable Content-Security-Policy and HttpOnly/SameSite cookies.

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