Unauthorized Data Access in JetFormBuilder Plugin for WordPress
CVE-2026-19858

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
5 September 2026

Badges

πŸ‘Ύ Exploit Exists🟑 Public PoC

What is CVE-2026-19858?

The JetFormBuilder β€” Dynamic Blocks Form Builder for WordPress prior to version 3.6.5.2 lacks proper authorization checks during the resolution of request-derived data. This flaw allows unauthorized users to access sensitive information including user and post metadata, password hashes, as well as private and draft content stored within the plugin. The absence of necessary security measures can lead to potential information leakage, posing a significant risk to users relying on this plugin.

Affected Version(s)

JetFormBuilder β€” Dynamic Blocks Form Builder 0 < 3.6.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • 🟑

    Public PoC available

  • πŸ‘Ύ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jakub Herman
WPScan
.