Threat intelligence

Block for Mailchimp – Add Email Subscription Forms and Collect Leads <= 1.1.15 - Missing Authorization

CVE-2026-56063 · block-for-mailchimp

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Block For Mailchimp at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Block for Mailchimp – Add Email Subscription Forms and Collect Leads <= 1.1.15 - Missing Authorization
Affected software: block-for-mailchimp(Plugin)
Affected versions: ≤ 1.1.15
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-56063
Published: 25 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 166dfe2c-6efd-48ad-bbcd-e3dc0e9ede05). Methodology and redistribution notes

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