CVE-2026-11898

Summary

The White Label CMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.7.12 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.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/1f12cdb6-df2d-419d-a29c-1ff7f9d098f4?source=cve
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.12/includes/classes/Admin_Dashboard.php#L430
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.12/includes/classes/Admin_Dashboard.php#L465
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.12/includes/classes/Settings.php#L228
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.12/includes/classes/Settings.php#L124
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.9/includes/classes/Admin_Dashboard.php#L430
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.9/includes/classes/Admin_Dashboard.php#L465
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.9/includes/classes/Settings.php#L228
• https://plugins.trac.wordpress.org/browser/white-label-cms/tags/2.7.9/includes/classes/Settings.php#L124
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3600959%40white-label-cms&new=3600959%40white-label-cms

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