CVE-2023-40203

MEDIUM 4.3

WordPress MailChimp Forms by MailMunch plugin <= 3.1.4 - Broken Access Control

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in mailmunch MailChimp Forms by 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.

CWE	CWE-862
Vendor	mailmunch
Product	mailchimp forms by mailmunch
Published	Dec 13, 2024
Last Updated	Apr 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

mailmunch / MailChimp Forms by MailMunch

0 ≤ 3.1.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/mailchimp-forms-by-mailmunch/vulnerability/wordpress-mailchimp-forms-by-mailmunch-plugin-3-1-4-broken-access-control?_s_id=cve

Credits

István Márton | Patchstack Bug Bounty Program