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CVE-2026-15897: Super Forms – Drag & Drop Form Builder

Severity

8.8 (HIGH)

Vendor

WEBREHAB

Affected versions

0 through 6.3.316

Patch status

Unknown

Published

2026-10-02T06:16:41.053

Modified

2026-10-02T06:16:41.053

Why it matters

This matters because the affected product may be exposed on public websites. A vulnerable plugin can create a direct path to site compromise, malicious code deployment, or data theft.

Recommended admin actions

• Review and patch based on exposure, asset criticality, and business impact.
• Check whether the affected WordPress plugin or theme is installed.
• Update, disable, or remove the affected component if present.
• Review logs for suspicious activity related to the affected application or component.

Technical summary

The Super Forms – Drag & Drop Form Builder plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3.316. This is due to the Register & Login add-on's before_email_success_msg() function, in its register_login_action='update' flow, trusting an attacker-supplied user_id value and passing it to wp_update_user() without any ownership or capability check. Because the super_save_form AJAX action also enforces no capability check, any authenticated user with Subscriber-level access and above can create the required malicious form (register_login_action='update' with register_login_user_id_update='true') and then submit it with user_id set to an administrator's ID along with a new user_pass/user_email. This makes it possible for authenticated attackers with Subscriber-level access and above to overwrite the credentials of arbitrary existing accounts — including administrators — resulting in account takeover and full site compromise.

View the official NVD record for CVE-2026-15897

CVE data is sourced from NVD/CNA records and optional enrichment. Validate against the vendor advisory before taking production action.