CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
What the vulnerability does
The Country Blocker for AdSense plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing nonce validation on the CBFA_guardar_cbfa() function. This makes it possible for unauthenticated attackers to update the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Explanation of Vulnerability in Simple Terms
Country Blocker for AdSense versions 1.0 and earlier contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without the administrator's knowledge. The vulnerability requires user interaction—the admin must visit the attacker's page—and affects only the integrity of site configuration, not data confidentiality or availability.
What an attacker can do
Trick a site admin into visiting a malicious page that performs unwanted configuration changes on the site.
Potential impact on your site
An attacker can modify Country Blocker settings or other site configurations if an admin visits a malicious link while logged in.
Conditions required to exploit
Site admin must be logged in and visit an attacker-controlled webpage; no special privileges or complex setup required.
Key dates
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