Medium severity4.3NVD Advisory· Published Oct 29, 2025· Updated Apr 15, 2026

CVE-2025-11587

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Call Now Buttoninferred
Range: <=1.5.3
Package: https://wordpress.org/plugins/call-now-button

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/browser/call-now-button/tags/1.5.3/src/admin/api-key/class-ott-controller.phpnvd
research.cleantalk.org/cve-2025-11587/nvd
www.wordfence.com/threat-intel/vulnerabilities/id/d77b127e-52ee-4256-9450-410413b273f6nvd

News mentions

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