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Status published
Medium
CVE-2023-40203
WordPress MailChimp Forms by MailMunch plugin <= 3.1.4 - Broken Access Control
Vulnerability Description
Missing Authorization vulnerability in MailMunch MailChimp Forms by MailMunch allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MailChimp Forms by MailMunch: from n/a through 3.1.4.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton (Patchstack Alliance)
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Affected Vendor
MailMunch
View all reports →Affected Software
MailChimp Forms by MailMunch
Vulnerable Versions:
Unknown
Timeline
Official Publish:
December 13th, 2024
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L