CVE-2026-123861 PUBLISHED

WordPress JetFormBuilder – Hierarchical Select plugin <= 1.0.10 - Insecure Direct Object References (IDOR) vulnerability

Assigner: Patchstack
Reserved: 06.11.2026 Published: 07.11.2026 Updated: 07.11.2026

Authorization Bypass Through User-Controlled Key vulnerability in CrocoBlock JetFormBuilder – Hierarchical Select jet-form-builder-hierarchical-select allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects JetFormBuilder – Hierarchical Select: from n/a through 1.0.10.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	CrocoBlock
Product	JetFormBuilder – Hierarchical Select
Versions	Default: unaffected affected from 0 to 1.0.10 (incl.)

Solutions

Update the WordPress JetFormBuilder – Hierarchical Select plugin to the latest available version (at least 1.0.11).

Credits

Nikiforos Bafas | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/jet-form-builder-hierarchical-select/vulnerability/wordpress-jetformbuilder-hierarchical-select-plugin-1-0-10-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Problem Types

Authorization Bypass Through User-Controlled Key CWE

Impacts

Exploiting Incorrectly Configured Access Control Security Levels