CVE-2026-12042

Description

The WP2Social Auto Publish plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.4.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

References

• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/ajax-actions.php#L39
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/ajax-actions.php#L46
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/settings.php#L534
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.12/admin/ajax-actions.php#L39
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.12/admin/ajax-actions.php#L46