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CVE-2026-86717 – Missing Authorization / Arbitrary Option Deletion – Insurify WordPress Plugin throu

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Summary

CVE-2026-86717 is a missing authorization vulnerability (CWE-862) in the Insurify WordPress plugin, versions through 1.0. An unauthenticated remote attacker can delete arbitrary WordPress options, which can take the site offline and strip every user of their role. The vulnerability is rated Critical (CVSS 9.1).

Technical details

  • Root cause: One of the plugin’s AJAX actions has no authorization check and no nonce check.
  • Trigger conditions: The attacker needs no authentication and no user interaction. The attacker sends a request to the vulnerable AJAX action.
  • Attack vector: Network, low complexity, no privileges required.
  • Impact: Unauthenticated users can delete arbitrary WordPress options. According to the CVE record, this can take the site offline and strip every user of their role. Integrity and availability are both highly impacted. Confidentiality is not impacted.

Affected software

  • Insurify WordPress plugin: all versions through 1.0

Severity

  • CVSS v3.1 base score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Mitigation and recommended actions

  • Immediate: No fixed version is identified in the CVE record. Check the plugin’s WordPress.org page or the vendor for an updated release and upgrade as soon as one is available.
  • If no patch is available: deactivate and remove the Insurify plugin until a fix is published. Alternatively, use a WAF or web server rules to block unauthenticated requests to the plugin’s AJAX action through admin-ajax.php.
  • Keep current backups of the WordPress database, including the options table, so the site can be restored if options are deleted.
  • Review the site for missing options or lost user roles, and check web logs for unexpected unauthenticated admin-ajax.php requests.

References

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