WordPress CVEs

Description

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form response message post meta fields (e.g., 'text_subscribed', 'text_error') in all versions up to, and including, 4.12.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

• MC4WP: Mailchimp for WordPress Plugin · mailchimp-for-wp
  Confirmed match Active
  Up to and including 4.12.0
  View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

• dvankooten MC4WP: Mailchimp for WordPress — Up to and including 4.12.0

References

• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/trunk/includes/forms/class-form-element.php#L116
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/trunk/includes/forms/class-form-manager.php#L104
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/trunk/includes/forms/class-form.php#L295
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3491781/
• www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/641b739d-f888-4327-b1c5-c95de39ee011?source=cve
• nvd.nist.gov Official NVD record