CVE-2024-11826: Mdmag Quill Forms

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Quill Forms | The Best Typeform Alternative | Create Conversational Multi Step Form, Survey, Quiz, Cost Estimation or Donation Form on WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'quillforms-popup' shortcode in all versions up to, and including, 3.10.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Affected products

• Mdmag Quill Forms: before 4.0.0 (fixed in 4.0.0)

Published 2025-01-07. Last modified 2026-06-17.