What the vulnerability does
01Description
The SEO Links Interlinking plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'google_error' parameter in all versions up to, and including, 1.7.9.9.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Explanation of Vulnerability in Simple Terms
02Summary
SEO Links Interlinking versions 1.7.9.9.1 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in a victim's browser when they visit an affected page. The vulnerability requires user interaction and can affect other users or the site itself depending on where the injection occurs.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in visitors' browsers, potentially stealing session tokens or redirecting users.
Potential impact on your site
04Site Impact
Visitors to your site could be redirected, have their sessions hijacked, or see malicious content injected into pages.
Conditions required to exploit
05Prerequisites
Victim must visit a page containing the attacker's malicious input; no authentication required.
Key dates
06Disclosure timeline
January 28, 2026
CVE published
April 14, 2026
Record updated