PT-2026-67058 · WordPress · Mailchimp List Subscribe Form
CVSS v3.1
7.2
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Name of the Vulnerable Software and Affected Versions
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder plugin for WordPress versions prior to 4.3.4
Description
Stored Cross-Site Scripting (XSS) occurs due to insufficient input sanitization and output escaping. This allows unauthenticated attackers to inject arbitrary web scripts into pages via form field values, which then execute when a user accesses the affected page.
Recommendations
Update the plugin to version 4.3.4 or later.
Fix
XSS
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Weakness Enumeration
Related Identifiers
Affected Products
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