CVE-2026-4138

Summary

The DX Unanswered Comments plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.7. This is due to missing nonce validation on the plugin's settings form in the dxuc-unanswered-comments-admin-page.php file. This makes it possible for unauthenticated attackers to modify plugin settings (dxuc_authors_list and dxuc_comment_count) via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected Software

Weaknesses

• CWE-352: CWE-352 Cross-Site Request Forgery (CSRF)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/e44dbd0e-d6a7-438b-b1bf-a6628734fec4?source=cve
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/trunk/dxuc-unanswered-comments-admin-page.php#L13
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/tags/1.7/dxuc-unanswered-comments-admin-page.php#L13
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/trunk/dxuc-unanswered-comments-admin-page.php#L21
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/tags/1.7/dxuc-unanswered-comments-admin-page.php#L21
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/trunk/dxuc-unanswered-comments-admin-page.php#L25
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/tags/1.7/dxuc-unanswered-comments-admin-page.php#L25
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/trunk/dxuc-unanswered-comments-admin-page.php#L40
• https://plugins.trac.wordpress.org/browser/dx-unanswered-comments/tags/1.7/dxuc-unanswered-comments-admin-page.php#L40

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