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6.1
Simple Ajax Chat plugin for WordPress allows malicious scripts to be injected
CVE-2026-2987
Summary
The Simple Ajax Chat plugin for WordPress is vulnerable to a security risk that allows attackers to inject malicious scripts into pages. This could lead to unauthorized actions being taken on a website. Update the plugin to the latest version to fix this issue.
Original title
The Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and ou...
Original description
The Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
nvd CVSS3.1
6.1
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 12 Mar 2026 · Updated: 14 Mar 2026 · First seen: 12 Mar 2026