CVE-2026-15759

The ChatHelp – Click to Chat Button, WooCommerce Chat to Order & Floating Chat Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'number' and 'group' Shortcode Attributes in all versions up to, and including, 3.5.1 due to insufficient input sanitization and output escapin...

CVE-2026-15759 ChatHelp <= 3.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'number' and 'group' Shortcode Attributes

The ChatHelp – Click to Chat Button, WooCommerce Chat to Order & Floating Chat Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'number' and 'group' Shortcode Attributes in all versions up to, and including, 3.5.1 due to insufficient input sanitization and output escapin...

EUVD-2026-45135

The ChatHelp – Click to Chat Button, WooCommerce Chat to Order & Floating Chat Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'number' and 'group' Shortcode Attributes in all versions up to, and including, 3.5.1 due to insufficient input sanitization and output escapin...

CVE-2026-15759

Summary: CVE-2026-15759 affects the WordPress plugin “ChatHelp – Click to Chat Button, WooCommerce Chat to Order & Floating Chat Form.” The vulnerability is a Stored Cross-Site Scripting (XSS) via the 'number' and 'group' Shortcode Attributes in all versions up to and including 3.5.1 due to insuf...