plugin

Holler Box Vulnerabilities

3 known security issues reported for the Holler Box WordPress plugin. Most recent disclosed Jun 2, 2026.

1 high 2 medium

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HollerBox — Fast & Effective Popups & Lead-Generation <= 2.3.10.1 - Unauthenticated Stored Cross-Site Scripting

high

The HollerBox — Fast & Effective Popups & Lead-Generation plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.10.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages...

CVSS:
7.2
Affected:
up to 2.3.10.1
Fixed in:
2.3.11
Disclosed:
Jun 2, 2026

CVE-2026-48885 on NVD →

HollerBox <= 2.3.2 - Authenticated (Administrator+) Stored Cross-Site Scripting

medium

The HollerBox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 2.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web sc...

CVSS:
4.4
Affected:
up to 2.3.2
Fixed in:
2.3.3
Disclosed:
Sep 1, 2023

CVE-2023-41657 on NVD →

HollerBox <= 2.1.3 - Authenticated (edit_popups+) SQL Injection

medium

The HollerBox plugin for WordPress is vulnerable to generic SQL Injection via the ‘get_report_data’ function in versions up to, and including, 2.1.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attacke...

CVSS:
6.6
Affected:
up to 2.1.4
Fixed in:
2.1.4
Disclosed:
May 2, 2023

CVE-2023-2111 on NVD →

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