CVE-2025-13842

Summary

The Breadcrumb NavXT plugin for WordPress is vulnerable to authorization bypass through user-controlled key in versions up to and including 7.5.0. This is due to the Gutenberg block renderer trusting the $_REQUEST['post_id'] parameter without verification in the includes/blocks/build/breadcrumb-trail/render.php file. This makes it possible for unauthenticated attackers to enumerate and view breadcrumb trails for draft or private posts by manipulating the post_id parameter, revealing post titles and hierarchy that should remain hidden.

Affected Software

Weaknesses

• CWE-639: CWE-639 Authorization Bypass Through User-Controlled Key

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/62e25985-ac19-41a5-8027-eb053f4a6490?source=cve
• https://plugins.trac.wordpress.org/browser/breadcrumb-navxt/trunk/includes/blocks/build/breadcrumb-trail/render.php#L17
• https://plugins.trac.wordpress.org/changeset/3425008

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