Vulnerability · Published Nov 7, 2026 · Assigned by Patchstack
CVE-2026-123861WordPress JetFormBuilder – Hierarchical Select plugin <= 1.0.10 - Insecure Direct Object References (IDOR) vulnerability
Medium 5.3
In plain English
A medium-severity authorization bypass via user-controlled key in JetFormBuilder – Hierarchical Select from CrocoBlock. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)–no EPSS score yet
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CrocoBlock | JetFormBuilder – Hierarchical Select | 0 – through 1.0.10 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N