CVE-2026-104748 SimpleForm – Form Maker to Chat Apps with Quiz, Poll and Multi Lead Notifications - Privilege Escalation

SimpleForm – Form Maker to Chat Apps with Quiz, Poll and Multi Lead Notifications WordPress plugin <= 3.10.0 contains a privilege escalation caused by missing capability checks in wp_ajax_nopriv_simpleform_wp_register and improper meta writing, letting unauthenticated attackers create administrator accounts, exploit requires nonce from front-end JavaScript.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.65% 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
14 October 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest version beyond 3.10.0.

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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