CVE-2026-118166
The MC4WP: Mailchimp for WordPress WordPress plugin before 4.15.0 does not prevent request-derived values in its dynamic content tags from being processed as shortcodes when a form is embedded with its block, allowing unauthenticated visitors to execute arbitrary registered shortcodes with attacker-chosen attributes. This requires the site owner to have added a request-derived tag to the form content and to embed the form with the block rather than the classic shortcode.
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The sources do not list affected products or versions for this vulnerability yet.
0.2%7th percentile
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Published
First publication at the source
Last modified
Latest change at the source
Collected
First seen by Baba Yaga Security