CVE-2024-29793: WordPress MailChimp Forms by MailMunch plugin <= 3.2.2 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-27 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in MailMunch MailChimp Forms by MailMunch allows Stored XSS.This issue affects MailChimp Forms by MailMunch: from n/a through 3.2.2.

Affected products

MailMunch MailChimp Forms by MailMunch: before 3.2.3 — fixed in 3.2.3

How to fix

Upgrade to a fixed version: MailMunch MailChimp Forms by MailMunch 3.2.3. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/mailchimp-forms-by-mailmunch/wordpress-mailchimp-forms-by-mailmunch-plugin-3-2-2-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/mailchimp-forms-by-mailmunch/wordpress-mailchimp-forms-by-mailmunch-plugin-3-2-2-cross-site-scripting-xss-vulnerability?_s_id=cve

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