blogsafe.org My Downloads

BlogSafe.org

WordPress CVEs

Search and review WordPress-related vulnerability records.

← Back to CVE list

CVE-2024-8870

MEDIUM 6.1 CVSS 3.1
Published
October 26, 2024
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Forms for Mailchimp by Optin Cat – Grow Your MailChimp List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.5.7. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected WordPress components

  • Forms for Mailchimp by Optin Cat – Grow Your MailChimp List Plugin · mailchimp-wp
    Confirmed match Active
    Up to and including 2.5.6
    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

  • fatcatapps Forms for Mailchimp by Optin Cat – Grow Your MailChimp List — Up to and including 2.5.6
  • fatcatapps forms_for_mailchimp_by_optin_cat — Up to and including 2.5.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/mailchimp-wp/trunk/includes/eoi-subscribers.php#L353
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3198558/mailchimp-wp/trunk/includes/eoi-subscribers.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/86389489-9f9d-479b-b351-19f25166fc91?source=cve
  • nvd.nist.gov Official NVD record