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

published 2026-11-07 38 h ago modified 2026-11-07 33 h ago also EUVD-2026-119251

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

CrocoBlock JetFormBuilder – Hierarchical Select 1.0.11

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 33 h ago (2026-11-07)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

CrocoBlock JetFormBuilder – Hierarchical Select

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

References

patchstack.com /database/wordpress/plugin/jet-form-builder-hierarchical-select/vulnerability/wordpress-jetformbuilder-hierarc
vdb-entry

Sources

CVE List CVE-2026-123861

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary