What the vulnerability does
01Description
The Keybase.io Verification plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.5. This is due to missing nonce validation when updating plugin settings. This makes it possible for unauthenticated attackers to update the Keybase verification text 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
02Summary
The Keybase.io Verification component through version 1.4.5 is vulnerable to cross-site request forgery (CSRF). An attacker can trick a logged-in user into performing unintended actions on the site by crafting a malicious link or page. The vulnerability requires user interaction and does not expose sensitive data, but can modify site content or settings.
What an attacker can do
03Attacker Capabilities
Trick a logged-in user into performing unintended actions, such as changing settings or modifying data.
Potential impact on your site
04Site Impact
Users' accounts can be manipulated to perform actions without their knowledge if they visit untrusted sites while logged in.
Conditions required to exploit
05Prerequisites
User must be logged in and visit an attacker-controlled page or click a malicious link.
Key dates
06Disclosure timeline
February 18, 2026
CVE published
April 8, 2026
Record updated