# HollerBox — Fast & Effective Popups & Lead-Generation

> Get more leads and sales with effective popups that convert! Integrate HollerBox with your favorite CRM and email marketing tools.

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 11:26 UTC.

## Facts (WordPress.org)

- Slug: `holler-box`
- Author: Adrian Tobey
- Version: 2.3.15
- Active installs: 2,000+
- Last update: 2026-10-06 (39 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 5.0, PHP any
- Tags: email, marketing, Optin, popup, popups
- Page: https://wordpress.org/plugins/holler-box/

## Checks (against WordPress 7.1.4)

- OK: Updated 39 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Flaky ↔ Reliable, Phones home ↔ Private, Vague docs ↔ Clear docs, Behind ↔ Current, Heavy ↔ Light, Pushy ↔ Fair.

## Known vulnerabilities

- 2026-10-08 MEDIUM: Unauthenticated Insecure Direct Object Reference (up to 2.3.14). CVE-2026-106603, https://www.wordfence.com/threat-intel/vulnerabilities/id/1cfb8568-e525-4048-9d39-34a50d2ba386?source=api-prod
- 2026-06-15 HIGH: Unauthenticated Stored Cross-Site Scripting (up to 2.3.10.1). CVE-2026-48885, https://www.wordfence.com/threat-intel/vulnerabilities/id/7d54a72c-8fd5-418f-8109-078d0d75138d?source=api-prod
- 2023-09-01 MEDIUM: Authenticated (Administrator+) Stored Cross-Site Scripting (up to 2.3.2). CVE-2023-41657, https://www.wordfence.com/threat-intel/vulnerabilities/id/5c76871e-b774-4284-ad00-f8ef7f6df389?source=api-prod
- 2023-05-02 MEDIUM: Authenticated (edit_popups+) SQL Injection (before 2.1.4). CVE-2023-2111, https://www.wordfence.com/threat-intel/vulnerabilities/id/4970be62-9aad-4a5f-9dd3-4bf48bded022?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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