Auth bypass in Themeatelier Chathelp – Click To Chat Button, Woocommerce Order & Floating Form

CVE-2026-15291

The Chat Help – Click to Chat Button & Form plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.1.3 via the REST API endpoints /wp-json/chat-help/v1/leads and /wp-json/chat-help/v1/l…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15291?
CVE-2026-15291 is a high-severity vulnerability in Themeatelier Chathelp – Click To Chat Button, Woocommerce Order & Floating Form, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-07-10.
How severe is CVE-2026-15291?
High severity. CVSS v3 base score is 7.5 out of 10.