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OpenAdvisories
Medium · 6.4 CVE-2023-4772 EUVD-2023-54618GHSA-67hg-5992-87wq

Newsletter <= 7.8.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Published Sep 7, 2023 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in versions up to, and including, 7.8.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

VendorProductAffectedFixed
satollo Newsletter – Send awesome emails from WordPress ≤ 7.8.9 —

References