What the vulnerability does
01Description
The Laiser Tag plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.5. This is due to missing or incorrect nonce validation on the addOptionsPageFields function. This makes it possible for unauthenticated attackers to update the plugin's settings, including the API key, tag blacklist, relevance threshold, batch size, and tagging toggles, via a forged request 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
Laiser Tag versions 1.2.5 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. 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 or consent. The attacker has no special privileges and relies on the victim visiting a malicious link.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the site by tricking a logged-in admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
Administrators could unknowingly authorize changes to site settings or content if they visit a malicious link while logged in.
Conditions required to exploit
05Prerequisites
A site administrator must visit a malicious webpage while logged into the site.
Key dates
06Disclosure timeline
June 2, 2026
CVE published
June 2, 2026
Record updated
