CVE-2023-45748 MEDIUM

CVE-2023-45748: WordPress MailChimp Forms by MailMunch Plugin <= 3.1.4 is vulnerable to Cross Site Request Forgery (CSRF)

Vendor Mailmunch
Product MailChimp Forms by MailMunch
Weakness CWE-352 · CSRF
Published October 16, 2023
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in MailMunch MailChimp Forms by MailMunch plugin <= 3.1.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MailChimp Forms by MailMunch versions up to 3.1.4 contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without their knowledge. The vulnerability requires user interaction—the admin must visit the attacker's page while logged in. This can lead to unauthorized changes to form settings or configurations.

What an attacker can do

03Attacker Capabilities

Trick a logged-in admin into performing unwanted actions on the site via a malicious webpage.

Potential impact on your site

04Site Impact

An attacker can modify MailChimp form settings or configurations if an admin visits a malicious link while logged in.

Conditions required to exploit

05Prerequisites

Admin must be logged in and visit an attacker-controlled webpage; no special privileges or authentication by the attacker required.

Key dates

06Disclosure timeline

October 16, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE