CVE-2026-12793 JetFormBuilder WordPress - Privilege Escalation

JetFormBuilder WordPress plugin <= 3.6.2 contains a privilege escalation caused by lack of validation of form ID ownership before parsing form schema and executing server-side callbacks, letting unauthenticated attackers create admin accounts.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest version beyond 3.6.2.

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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