CVE-2026-84925
Received Received - Intake

Reflected XSS in Avada WordPress Theme

Publication date: 2026-10-02

Last updated on: 2026-10-02

Assigner: Wordfence

Description
The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'lang' parameter in all versions up to, and including, 7.16.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The injected value is propagated through Fusion_Multilingual::set_active_language() and concatenated into a URL by Fusion_Settings::get_setting_link() without applying urlencode(), esc_url(), or esc_attr() before being echoed raw into a double-quoted href attribute in the post editor metabox.

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Meta Information

Published
2026-10-02
Last Modified
2026-10-02
Generated
2026-10-02
AI Q&A
2026-10-02
EPSS Evaluated
N/A
NVD
CVE-2026-84925
EUVD
EUVD-2026-91174

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
themefusion avada to 7.16.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

The Avada WordPress theme has a reflected cross-site scripting (XSS) vulnerability in the 'lang' parameter. This flaw allows unauthenticated attackers to inject malicious scripts into web pages by tricking users into clicking a link. The scripts execute when the user performs an action, such as editing a post.

Detection Guidance

To detect this vulnerability, inspect WordPress sites using the Avada theme for unsanitized 'lang' parameter usage. Check server logs for suspicious URLs containing script tags or unusual language parameters. Use WordPress security plugins to scan for reflected XSS patterns in theme files.

Impact Analysis

An attacker could steal sensitive user data like cookies or session tokens, redirect users to malicious sites, or perform actions on their behalf. Users with admin access are particularly at risk if they click a crafted link.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations may face fines or legal consequences if user data is compromised due to this flaw.

Mitigation Strategies

Immediately update the Avada theme to the latest version (7.16.1 or higher). If an update is unavailable, disable the theme temporarily or add input sanitization to the 'lang' parameter via a custom plugin or .htaccess rules. Monitor for unauthorized script injections in web traffic.

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