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6.4
WordPress Chatbot Plugin Allows Malicious Scripts to Run on Posts
CVE-2026-0736
Summary
The Chatbot for WordPress plugin, used to add chat functionality to websites, has a security flaw that lets attackers inject malicious code into posts. This could allow them to run scripts on your site without your permission, potentially causing harm to your users. To stay safe, update the plugin to the latest version or remove it if you don't use it.
Original title
The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to,...
Original description
The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-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/collectchat/tags/2.4.8/collect.php#L2...
- https://plugins.trac.wordpress.org/browser/collectchat/tags/2.4.8/collect.php#L3...
- https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L282
- https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L388
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fb62f4c2-ce9f-4958-8b8...
Published: 14 Feb 2026 · Updated: 10 Mar 2026 · First seen: 6 Mar 2026