WP Plugin Advanced Custom Fields Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2023-6701
The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a custom text field in all versions up to and including 6.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.