CVE-2026-106603

WordPress HollerBox plugin <= 2.3.14 - Insecure Direct Object References (IDOR) vulnerability

Published Oct 8, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Authorization Bypass Through User-Controlled Key vulnerability in Groundhogg HollerBox holler-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HollerBox: from n/a through 2.3.14.

Remediation

Vendor Solution

Update the WordPress HollerBox plugin to the latest available version (at least 2.3.15).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Authorization Bypass Through User-Controlled Key vulnerability in Groundhogg HollerBox holler-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HollerBox: from n/a through 2.3.14.
Title WordPress HollerBox plugin <= 2.3.14 - Insecure Direct Object References (IDOR) vulnerability
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 9, 2026, 7:24 AM
Reserved
Oct 7, 2026, 12:21 AM
Status
Deferred
Published
Oct 8, 2026, 1:17 PM
Modified
Oct 8, 2026, 6:17 PM