6.4
Medium
CVE-2026-104729 The Avada (Fusion) Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tab_index,…
Description
The Avada (Fusion) Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tab_index, empty_notice' parameter in all versions up to, and including, 3.16.2 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. wp_kses_post does not strip the payload on save because the dangerous characters reside within shortcode attribute text between square brackets, which kses treats as plain text rather than HTML markup.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Avada (Fusion) Builder 3.16 | earliest → 3.16.2 | No fix stated |
Other CVEs of Avada (Fusion) Builder
The 20 CVEs of Avada (Fusion) Builder →
CVE-2026-84938
Avada (Fusion) Builder <= 3.16.1 - Unauthenticated Stored Cross-Site Scripting via Form Notification Dynamic-Data action_hook
7.2
High
CVE-2026-97471
The Avada (Fusion) Builder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to,…
5.3
Medium
CVE-2026-97670
The Avada (Fusion) Builder plugin for WordPress is vulnerable to authorization bypass in all versions up to, and…
9.1
Critical
CVE-2026-16654
The Avada (Fusion) Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'size' Shortcode…
6.4
Medium