CVE-2025-1665 Avada Builder <= 3.11.14 - Authenticated (Contributor+) Stored Cross-Site Scripting

What is CVE-2025-1665?

CVE-2025-1665 is a medium-severity cross-site scripting vulnerability in themefusion Avada (Fusion) Builder, published on 1 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Avada (Fusion) Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via several of the plugin's shortcodes in all versions up to, and including, 3.11.14 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-1665?

It affects 1 product.

Products include Theme-Fusion Avada Builder.

How do I fix CVE-2025-1665?

No fix has been published for CVE-2025-1665 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-1665 being exploited?

There is no known exploitation of CVE-2025-1665 in the wild and no public exploit code.

Other vulnerabilities in themefusion Avada (Fusion) Builder

• CVE-2024-13345 Avada Builder <= 3.11.13 - Unauthenticated Arbitrary Shortcode Execution High 7.3
• CVE-2024-12477 Avada Builder <= 3.11.11 - Authenticated (Contributor+) Stored Cross-Site Scripting in Multiple Widgets Medium 6.4
• CVE-2024-12335 Avada Builder <= 3.11.12 - Authenticated (Contributor+) Protected Post Disclosure Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8jqc-6pw9-q43h.