WordPress JetFormBuilder – Hierarchical Select plugin <= 1.0.10 - Insecure Direct Object References (IDOR) vulnerability
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 30/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
The JetFormBuilder – Hierarchical Select plugin for WordPress, made by CrocoBlock, has an insecure direct object reference flaw that lets an attacker bypass authorization by manipulating a user-controlled key. It can be reached remotely over the network without logging in, and the attacker could alter data they should not be able to change.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original 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.
cve.now Index
- Exploitation0/40No signal
- Exposure20/25No login or user action needed per the CVSS vector, CISA rates it automatable · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity5.3/10CVSS 5.3
- No patch5/5No patch listed yet
What would change the score
- Would score about 75 if added to CISA KEV
- Would score about 70 if CISA's SSVC rates exploitation active
- Would score about 35 if advisories confirm default setups are exposed
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- jet-form-builder-hierarchical-select
through 1.0.10
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-123861
Is CVE-2026-123861 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-123861?
jet-form-builder-hierarchical-select: through 1.0.10.Source: cve.now feed data