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CVE-2026-12998: CWE-639 Authorization Bypass Through User-Controlled Key in wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder

0
Medium
Published: 08/16/2026 (08/16/2026, 06:38:07 UTC)
Source: CVE Database V5
Vendor/Project: wpmudev
Product: Forminator Forms – Contact Form, Payment Form & Custom Form Builder

Description

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.55.0.2 via the 'draft' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate sequential integer entry IDs via the 'draft' parameter and read other users' saved draft form data, including names, email addresses, phone numbers, addresses, and free-form message content. This is only exploitable on forms that have the 'Save and Continue' feature enabled.

CVSS v3.1

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected software

wpmudev

Forminator Forms – Contact Form, Payment Form & Custom Form Builder

Affected versions
>=0 <=1.55.0.2

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/23/2026, 13:27:45 UTC

Technical Analysis

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress contains an Insecure Direct Object Reference vulnerability (CWE-639) in all versions up to 1.55.0.2. The vulnerability arises from insufficient validation of the 'draft' parameter, which is user-controlled. This allows unauthenticated attackers to enumerate sequential integer entry IDs and read other users' saved draft form data. The issue is exploitable only on forms where the 'Save and Continue' feature is enabled, exposing sensitive user information such as names, emails, phone numbers, addresses, and free-form messages. No official remediation or patch has been indicated in the provided data.

Potential Impact

An unauthenticated attacker can access saved draft form data of other users by enumerating draft entry IDs via the vulnerable 'draft' parameter. This leads to unauthorized disclosure of personal information including names, email addresses, phone numbers, addresses, and message content. The vulnerability does not affect integrity or availability but compromises confidentiality of user data in draft forms with the 'Save and Continue' feature enabled.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider disabling the 'Save and Continue' feature on forms to prevent exploitation. Monitor vendor communications for updates and apply patches promptly once released.

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Technical Details

Data Version
5.2
Assigner Short Name
Wordfence
Date Reserved
2026-06-23T13:17:09.480Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a815f2fbf8831d539a5f126

Added to database: 08/16/2026, 06:56:47 UTC

Last enriched: 08/23/2026, 13:27:45 UTC

Last updated: 10/01/2026, 05:08:50 UTC

Views: 77

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