Authorization Bypass in CrocoBlock JetFormBuilder Hierarchical Select Plugin
CVE-2026-123861

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Jetformbuilder – Hierarchical Select
Vendor
CVE Published:
7 November 2026

What is CVE-2026-123861?

The JetFormBuilder - Hierarchical Select plugin by CrocoBlock contains an authorization bypass vulnerability. This flaw allows attackers to exploit incorrectly configured access control security levels, potentially gaining unauthorized access to sensitive functionalities. The issue affects all versions leading up to 1.0.10, emphasizing the need for prompt updates to mitigate security risks.

Affected Version(s)

JetFormBuilder – Hierarchical Select 0 <= 1.0.10

References

https://patchstack.com/database/wordpress/plugin/jet-form...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nikiforos Bafas | Patchstack Bug Bounty Program
.