What the vulnerability does
01Description
The Call Now Button – The #1 Click to Call Button for WordPress plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on multiple functions in all versions up to, and including, 1.5.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to generate links to billing portal, where they can view and modify billing information of the connected, account, generate chat session tokens, view domain status, etc.
This vulnerability was partially fixed in version 1.5.4 and fully fixed in version 1.5.5
Explanation of Vulnerability in Simple Terms
02Summary
The Call Now Button plugin for WordPress does not properly check user permissions before allowing access to certain functions. A logged-in user with low privileges can read sensitive data they should not have access to. The vulnerability affects all versions up to 1.5.4. Site administrators should update the plugin as soon as a patched version is available.
What an attacker can do
03Attacker Capabilities
Read sensitive data they should not have access to as a low-privilege user.
Potential impact on your site
04Site Impact
Unauthorized users can access private plugin data or settings, potentially exposing configuration details.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor).
Key dates
06Disclosure timeline
October 29, 2025
CVE published
April 8, 2026
Record updated
