Unrated severityNVD Advisory· Published May 20, 2022· Updated Apr 28, 2026
WordPress MC4WP plugin <= 4.8.6 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
CVE-2021-36833
Description
Authenticated (admin or higher user role) Stored Cross-Site Scripting (XSS) vulnerability in ibericode's MC4WP plugin <= 4.8.6 at WordPress.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <= 4.8.6
Patches
Vulnerability mechanics
References
2- patchstack.com/database/vulnerability/mailchimp-for-wp/wordpress-mc4wp-plugin-4-8-6-authenticated-stored-cross-site-scripting-xss-vulnerabilitymitrex_refsource_CONFIRM
- wordpress.org/plugins/mailchimp-for-wp/mitrex_refsource_CONFIRM
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