Security Advisory

CVE-2023-4772

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-09-07 01:52:16

Last updated 2026-04-08 17:05:10

Assigner Wordfence

State PUBLISHED

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.

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