CVE-2026-56063
Block for Mailchimp – Add Email Subscription Forms and Collect Leads <= 1.1.15 - Missing Authorization
mediumMissing Authorization
5.3
CVSS Score
5.3
CVSS Score
medium
Severity
1.1.16
Patched in
5d
Time to patch
Description
The Block for Mailchimp – Add Email Subscription Forms and Collect Leads plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 1.1.15. This makes it possible for unauthenticated attackers to perform an unauthorized action.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NAttack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
None
Confidentiality
Low
Integrity
None
Availability
Technical Details
Affected versions
<=1.1.15PublishedJune 25, 2026
Last updatedJune 29, 2026
Affected pluginblock-for-mailchimp
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