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6.4
Popup Box WordPress plugin can run malicious scripts on your site
CVE-2025-12122
Summary
The Popup Box WordPress plugin has a security flaw that allows attackers to inject malicious code on your site if they have contributor-level access. This means they can run unauthorized scripts on your site, potentially causing harm or disruption. Update the plugin to the latest version or remove it to prevent this risk.
Original title
The Popup Box – Easily Create WordPress Popups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'iframeBox' shortcode in all versions up to, and including, 3.2.12 ...
Original description
The Popup Box – Easily Create WordPress Popups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'iframeBox' shortcode in all versions up to, and including, 3.2.12 due to insufficient input sanitization and output escaping on user supplied attributes. 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-78
OS Command Injection
Published: 18 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026