CVE-2026-15785 · Runtime
NO FIX YET
The Joinchat click-to-chat plugin for WordPress reflects unsanitized query parameter names into pages through its {HREF} variable. An attacker who tricks a user into clicking a crafted link can run arbitrary scripts in that user's browser.
first public Nov 11, 2026 · 1 source
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Sites running the Joinchat plugin up to and including 6.3.1 where an administrator has configured a telephone number and included the {HREF} variable in the Call-to-Action text. Sites without that configuration are not exposed through this path.
Not affected if no-href-variable-in-cta, plugin-not-installed
Who cares joinchat, wordpress
6.3.1 are listed as affected).{HREF} dynamic variable in the Call-to-Action text.No fix yet, per the sources.
The Joinchat – Enhanced "click to chat" plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via '{HREF}' Dynamic Variable via Query Parameter Name in all versions up to, and including, 6.3.1 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. Exploitation requires that an administrator has configured a telephone number and included the {HREF} dynamic variable in the Call-to-Action text.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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