JetFormBuilder — Dynamic Blocks Form Builder <= 3.6.0.1 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-54195
CVSS 7.2 (High)
Publicly Published June 16, 2026
Last Updated June 23, 2026
Researcher daroo

Description

The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.6.0.1 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.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for JetFormBuilder — Dynamic Blocks Form Builder

Software Type Plugin
Software Slug jetformbuilder (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.6.1, or a newer patched version
Affected Version
  • <= 3.6.0.1
Patched Version
  • 3.6.1

Recent vulnerabilities in JetFormBuilder — Dynamic Blocks Form Builder

# Title CVE ID CVSS Researchers Date
1 JetFormBuilder — Dynamic Blocks Form Builder <= 3.6.6 - Missing Authorization CVE-2026-107431 5.3 Intrudify October 12, 2026
2 JetFormBuilder <= 3.6.6 - Reflected DOM-Based Cross-Site Scripting via 'query_var' Dynamic Preset via data-jfb-macro / JFB_FIELD:: Macro Renderer CVE-2026-103912 4.7 Zenith-sec October 9, 2026
3 JetFormBuilder <= 3.6.5.4 - Unauthenticated Stored Cross-Site Scripting via 'choice' Post Meta via Insert/Update Post Action CVE-2026-97342 7.2 UKO October 1, 2026
4 JetFormBuilder — Dynamic Blocks Form Builder <= 3.6.5.4 - Unauthenticated Stored Cross-Site Scripting CVE-2026-102391 7.2 Intrudify September 30, 2026
5 JetFormBuilder <= 3.6.5.3 - Reflected Cross-Site Scripting via 'jfb_xss' (URL Query Variable) Parameter via Calculated Field CVE-2026-92212 6.1 Tarcísio Luchesi De Almeida Silva (Poystick) September 24, 2026
6 JetFormBuilder <= 3.6.5.2 - Authenticated (Administrator+) Arbitrary File Deletion CVE-2026-19860 6.5 Sai Praneeth Koti September 17, 2026
7 JetFormBuilder <= 3.6.2 - Unauthenticated Privilege Escalation via '_jet_engine_booking_form_id' Parameter CVE-2026-12793 9.8 daroo September 15, 2026
8 JetFormBuilder — Dynamic Blocks Form Builder <= 3.6.5.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-84817 7.2 Anthony Green of Greenhat Security September 7, 2026
9 JetFormBuilder — Dynamic Blocks Form Builder < 3.6.5.2 - Unauthenticated Information Exposure CVE-2026-19858 5.3 Jakub Herman September 7, 2026
10 JetFormBuilder — Dynamic Blocks Form Builder < 3.6.5.2 - Unauthenticated Arbitrary Shortcode Execution CVE-2026-19859 9.8 Jakub Herman September 3, 2026

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