User Submitted Posts – Enable Users to Submit Posts from the Front End, CVE-2023-4779

CVE, Research URL: CVE-2023-4779
Home page URL: Security reports for User Submitted Posts – Enable Users to Submit Posts from the Front End
Application: User Submitted Posts – Enable Users to Submit Posts from the Front End
Published on: Sep 06, 2023
Research Description: The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [usp_gallery] shortcode in versions up to, and including, 20230811 due to insufficient input sanitization and output escaping on user supplied attributes like 'before'. 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 versions: max 20230901.
Status: vulnerable