CVE-2026-56063

HighCVSS 8.3

Published: 26/06/2026(UTC)Updated: 26/06/2026(UTC)Translated: 27/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.18%

8th percentile — higher than 8% of all known CVEs

Summary

The vulnerability in the MailChimp Block plugin versions up to 1.1.15 allows unauthenticated attackers to bypass access controls. This can lead to unauthorized access to functions or data.

Risk Assessment

The risk involves potential unauthorized access to sensitive data or functions without authentication, which could compromise system confidentiality and integrity.

Recommendation

It is recommended to immediately update the MailChimp Block plugin to the latest available version that fixes this vulnerability.

Original NVD description (English source)

Unauthenticated Broken Access Control in MailChimp Block <= 1.1.15 versions.