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CVE-2026-18786

HIGH 8.8 CVSS 3.1
Published
August 10, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-287
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The CheckView WordPress plugin before 2.3.2 does not restrict its REST API authentication filter to its own routes and unconditionally discards the authentication error raised for any request whose URI merely contains a CheckView WordPress plugin before 2.3.2-specific string, making it possible for unauthenticated attackers to bypass the REST nonce check and perform any REST action available to a logged-in administrator, such as creating a new administrator account, via a crafted link an administrator is tricked into opening.

Affected WordPress components

  • CheckView – Form & Checkout Testing Plugin · checkview
    Confirmed match Active
    From 2.0.29 (including) to 2.3.2 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown CheckView — From 2.0.29 (including) to 2.3.2 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/f53e1706-e926-4a2c-a2a7-465b4ca5d102/
  • nvd.nist.gov Official NVD record