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High 8.8Published Aug 10, 2026

CVE-2026-18786CheckView < 2.3.2 - Administrator Account Creation via REST API Authentication Bypass

Updated under an hour ago ()

Does this affect you?

It affects Unknown CheckView. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-287
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Aug 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown CheckView
unknown:checkview (from the name)
from 2.0.29 before 2.3.2
CNA record

References

  • exploit, vdb-entry, technical-description

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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