CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
What the vulnerability does
The Google Tag Manager for WordPress plugin for WordPress is vulnerable to reflected Cross-Site Scripting via the s parameter due to the site search populating into the data layer of sites with insufficient sanitization in versions up to an including 1.15. The affected file is ~/public/frontend.php and this could be exploited by unauthenticated attackers.
Explanation of Vulnerability in Simple Terms
The GTM4WP plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions 1.15 and earlier. An attacker can inject malicious JavaScript that executes in the browsers of site visitors. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users and the site itself. Update to a version newer than 1.15 to resolve this issue.
What an attacker can do
Inject malicious JavaScript that runs in visitors' browsers, stealing cookies, session tokens, or performing actions on their behalf.
Potential impact on your site
Visitors' accounts and data are at risk; attackers can steal credentials, deface content, or redirect users to phishing sites.
Conditions required to exploit
No authentication required. Attacker must trick a user into clicking a malicious link or visiting a compromised page.
Key dates
External resources
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