wpmudev Forminator Plugin up to 1.57.0.2 on WordPress Save/Continue Draft cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in wpmudev Forminator Plugin up to 1.57.0.2. Affected by this vulnerability is an unknown functionality of the component Save/Continue Draft. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-18323. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in wpmudev Forminator Plugin up to 1.57.0.2. It has been rated as problematic. This issue affects an unknown functionality of the component Save/Continue Draft. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Radio Field (Save and Continue Draft) in all versions up to, and including, 1.57.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable because the Save-and-Continue draft submission AJAX endpoint is registered as nopriv, allowing unauthenticated attackers to bypass radio field option-membership validation and persist a crafted payload that, when rendered on the Submissions admin page, is auto-executed via the bundled Inputmask library's data-attribute callback binding.

It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2026-18323 since 07/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• wpmudev

Name

• Forminator Plugin

Version

• 1.57.0.0
• 1.57.0.1
• 1.57.0.2

CPE 2.3info

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CPE 2.2info

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