Call Now Button <= 1.5.4 - Authenticated (Subscriber+) Missing Authorization to Multiple Functions
Vulnerability 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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Burak Kılınç
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/379547a2-6b22-4ec9-8570-a043dda7ec09?source=cve
- 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/chat/class-cnb-chat-controller.php#L52
- 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/CnbAdminAjax.php#L21
- 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
Affected Vendor
jgrietveld
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