CVE-2025-22727: WordPress MailChimp Subscribe Form plugin <= 4.1 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-21 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PluginOps MailChimp Subscribe Forms mailchimp-subscribe-sm allows Stored XSS.This issue affects MailChimp Subscribe Forms : from n/a through <= 4.1.

Affected products

PluginOps MailChimp Subscribe Forms: through 4.1

References

https://patchstack.com/database/Wordpress/Plugin/mailchimp-subscribe-sm/vulnerability/wordpress-mailchimp-subscribe-form-plugin-4-1-cross-site-scripting-xss-vulnerability?_s_id=cve

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