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 escaping. 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.

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Fixes

Solution

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Workaround

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History

Fri, 17 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 17 Jul 2026 07:45:00 +0000

Type Values Removed Values Added
First Time appeared Themeatelier
Themeatelier chathelp – Click To Chat Button, Woocommerce Chat To Order & Floating Chat Form
Wordpress
Wordpress wordpress
Vendors & Products Themeatelier
Themeatelier chathelp – Click To Chat Button, Woocommerce Chat To Order & Floating Chat Form
Wordpress
Wordpress wordpress

Fri, 17 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Description 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 escaping. 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.
Title ChatHelp <= 3.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'number' and 'group' Shortcode Attributes
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-07-17T14:53:44.373Z

Reserved: 2026-07-14T16:38:37.414Z

Link: CVE-2026-15759

cve-icon Vulnrichment

Updated: 2026-07-17T14:53:39.469Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-17T07:30:12Z

Weaknesses