CVE-2026-4791

The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `logout-url` shortcode's 'button' attribute in all versions up to, and including, 8.2.36 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.

• https://plugins.trac.wordpress.org/browser/peprodev-ups/tags/8.2.7/login/login.php#L1110
• https://plugins.trac.wordpress.org/changeset/3719931/peprodev-ups
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b33f655a-ad13-45d8-bad9-e7c2599c2490?source=cve