CVE-2025-11587
Call Now Button <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Settings Update
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
The Call Now Button – The #1 Click to Call Button for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the activate function in all versions up to, and including, 1.5.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to link the plugin to their nowbuttons.com account and add malicious buttons to the site. The vulnerability is only exploitable on fresh installs where the plugin has not been previously configured with an API key.
| CWE | CWE-862 |
| Vendor | jgrietveld |
| Product | call now button – the #1 click to call button for wordpress |
| Published | Oct 29, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
jgrietveld / Call Now Button – The #1 Click to Call Button for WordPress
0 ≤ 1.5.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/d77b127e-52ee-4256-9450-410413b273f6?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/api-key/class-ott-controller.php#L27 research.cleantalk.org: https://research.cleantalk.org/cve-2025-11587/
Credits
Dmitrii Ignatyev