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CVE-2026-66596

HIGH NVD

CVSS Score 7.1

Severity HIGH

Published Aug 19, 2026

Vendor unknown

Description

Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.

References

https://patchstack.com/database/wordpress/plugin/newsletter/vulnerability/wordpress-newsletter-plugin-9-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve