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CVE-2026-106603— WordPress HollerBox plugin <= 2.3.14 - Insecure Direct Object References (IDOR) vulnerability

Quick assessment

Affected
Groundhogg HollerBox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Groundhogg 的 HollerBox（holler-box）中存在通过用户可控密钥绕过授权的问题，攻击者可利用此漏洞利用错误配置的访问控制安全级别。该问题影响 HollerBox：从 n/a 至 2.3.14 版本。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1078.001 · Default Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Groundhogg HollerBox ≤ 2.3.14 affected
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I. Basic Information for CVE-2026-106603

Vulnerability Information
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Vulnerability Title
WordPress HollerBox plugin <= 2.3.14 - Insecure Direct Object References (IDOR) vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Groundhogg HollerBox 0 ~ 2.3.14 -

II. Public POCs for CVE-2026-106603

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III. Intelligence Information for CVE-2026-106603

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Other References for CVE-2026-106603 (1)

IV. Related Vulnerabilities

Same product: HollerBox
Same vendor: Groundhogg
Same weakness: CWE-639

V. Comments for CVE-2026-106603

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