CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What the vulnerability does
The Restrict User Registration plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.1. This is due to missing or incorrect nonce validation on the update() 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
Restrict User Registration versions 1.0.1 and earlier contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious link or page that, when visited by a site administrator, performs unwanted actions on the site without the administrator's knowledge or consent. The vulnerability requires no authentication and can modify site settings or user data.
What an attacker can do
Perform unauthorized actions on the site by tricking an admin into visiting a malicious page.
Potential impact on your site
An attacker can change plugin settings or user registration rules without your permission if you click a malicious link.
Conditions required to exploit
Site admin must visit a malicious link or page; no authentication required from the attacker.
Key dates
External resources
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