What’s Vulnerable › Vulnerabilities

CVE-2025-11632: Call Now Button <= 1.5.4 - Authenticated (Subscriber+) Missing Authorization to Multiple Functions

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-29 · updated 2026-10-08
• Weakness: CWE-862

Description

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

Affected products

• jgrietveld Call Now Button – The #1 Click to Call Button for WordPress: through 1.5.4

References

• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/CnbAdminAjax.php#L147
• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/CnbAdminAjax.php#L154
• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/CnbAdminAjax.php#L167
• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/CnbAdminAjax.php#L21
• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/CnbAdminAjax.php#L50
• https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/chat/class-cnb-chat-controller.php#L52
• https://www.wordfence.com/threat-intel/vulnerabilities/id/379547a2-6b22-4ec9-8570-a043dda7ec09?source=cve

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