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6.4
Smartsupp Plugin Allows Malicious Code Injection via Chat Input
CVE-2025-12448
Summary
The Smartsupp plugin for WordPress has a security flaw that lets attackers inject malicious code into website pages. This can happen if an attacker with a basic account or higher can trick a website user into accessing a specially crafted page. To fix this, update the Smartsupp plugin to the latest version or remove it entirely if you're not using it.
Original title
The Smartsupp – live chat, AI shopping assistant and chatbots plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'code' parameter in all versions up to, and including, 3.9.1 ...
Original description
The Smartsupp – live chat, AI shopping assistant and chatbots plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'code' parameter in all versions up to, and including, 3.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
- https://plugins.trac.wordpress.org/browser/smartsupp-live-chat/tags/3.2/admin/cl...
- https://plugins.trac.wordpress.org/browser/smartsupp-live-chat/tags/3.2/public/c...
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3c298653-7f79-4ee2-89c...
Published: 19 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026