JetMonsters JetFormBuilder Plugin up to 3.6.5.4 on WordPress Select Field choice cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in JetMonsters JetFormBuilder Plugin up to 3.6.5.4. This vulnerability affects unknown code of the component Select Field. This manipulation of the argument choice causes cross site scripting. This vulnerability is tracked as CVE-2026-97342. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in JetMonsters JetFormBuilder Plugin up to 3.6.5.4 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Select Field. The manipulation of the argument choice with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'choice' Post Meta via Insert/Update Post Action in all versions up to, and including, 3.6.5.4 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. The injected payload is submitted via the unauthenticated wp_ajax_nopriv_jet_form_builder_submit endpoint, stored verbatim into post meta through the Insert/Update Post action, and later rendered unescaped by the Select Field block template when the get_from_db option generator copies raw meta values into option value attributes and label content.

It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2026-97342 since 09/24/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. 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

• JetMonsters

Name

• JetFormBuilder Plugin

Version

• 3.6.5.0
• 3.6.5.1
• 3.6.5.2
• 3.6.5.3
• 3.6.5.4

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CPE 2.2info

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