CVE-2026-56063

WordPress MailChimp Block plugin <= 1.1.15 - Broken Access Control vulnerability

CVSS 8.3 HIGHEPSS 0.2%CWE-862

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Affected products

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References