CVE-2026-84251 click5 CRM add-on to Ninja Forms - Broken Access Control & CSRF

click5 CRM add-on to Ninja Forms WordPress plugin through 1.0.1 contains a broken access control and CSRF vulnerability caused by missing authorization and CSRF checks in REST endpoint for updating options, letting unauthenticated attackers create new admin accounts and take over the site, exploit requires no authentication.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version of click5 CRM add-on to Ninja Forms WordPress plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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