CVE-2026-0913User Submitted Posts <= 20260110 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'usp_access' Shortcode

Descripción

The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'usp_access' shortcode in all versions up to, and including, 20260110 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://www.wordfence.com/threat-intel/vulnerabilities/id/85bf7a1b-3c54-40c9-8f19-fcb9dd478a0e?source=cve
• https://plugins.trac.wordpress.org/browser/user-submitted-posts/tags/20251210/library/shortcode-access.php#L20
• https://plugins.trac.wordpress.org/changeset/3439027/