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CVE-2026-84925— Avada | Website Builder For WordPress & WooCommerce <= 7.16.1 - Reflected Cross-Site Scripting via 'lang' Parameter

Quick assessment

Affected
ThemeFusion Avada | Website Builder For WordPress & WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 及 WooCommerce 主题 Avada 如果攻击者成功诱导用户执行某些操作（例如点击一个包含恶意载荷的链接），这些注入的脚本将在页面上执行。具体而言，恶意值会经过 函数传递，并在 函数中被拼接到一个 URL 中。在此过程中，未使用 、 或 等函数对数据进行编码或转义，而是直接以原始形式输出到后编辑器 metabox 中的双引号 属性内，从而导致 XSS 漏洞被触发。

CVSS 6.1 · Medium EPSS 0.17% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
ThemeFusion Avada | Website Builder For WordPress & WooCommerce ≤ 7.16.1 affected
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I. Basic Information for CVE-2026-84925

Vulnerability Information
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Vulnerability Title
Avada | Website Builder For WordPress & WooCommerce <= 7.16.1 - Reflected Cross-Site Scripting via 'lang' Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ThemeFusion Avada | Website Builder For WordPress & WooCommerce 0 ~ 7.16.1 -

II. Public POCs for CVE-2026-84925

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III. Intelligence Information for CVE-2026-84925

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News Coverage for CVE-2026-84925 (1)

Other References for CVE-2026-84925 (1)

IV. Related Vulnerabilities

Same product: Avada | Website Builder For WordPress & WooCommerce
Same vendor: ThemeFusion
Same weakness: CWE-79

V. Comments for CVE-2026-84925

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