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CVE-2025-11587— Call Now Button <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Settings Update

Quick assessment

Affected
jgrietveld Call Now Button – The #1 Click to Call Button for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Call Now Button 1.5.3及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致未经授权的数据修改。

CVSS 4.3 · Medium EPSS 0.22% · P12
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I. Basic Information for CVE-2025-11587

Vulnerability Information
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Vulnerability Title
Call Now Button <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Settings Update
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Call Now Button 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Call Now Button 1.5.3及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致未经授权的数据修改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jgrietveld Call Now Button – The #1 Click to Call Button for WordPress * ~ 1.5.3 -

II. Public POCs for CVE-2025-11587

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III. Intelligence Information for CVE-2025-11587

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Patches & Fixes for CVE-2025-11587 (1)

Vendor Advisories for CVE-2025-11587 (1)

Other References for CVE-2025-11587 (1)

IV. Related Vulnerabilities

Same product: Call Now Button – The #1 Click to Call Button for WordPress
Same vendor: jgrietveld
Same weakness: CWE-862

V. Comments for CVE-2025-11587

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