WordPress plugin
HollerBox — Fast & Effective Popups & Lead-Generation security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 4 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High1
- Medium3
- Low0
All HollerBox — Fast & Effective Popups & Lead-Generation vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Insecure Direct Object Reference ≤2.3.14Update to 2.3.15 | CVE-2026-106603 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.3.10.1Update to 2.3.11 | CVE-2026-48885 | |
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting ≤2.3.2Update to 2.3.3 | CVE-2023-41657 | |
| Medium6.6 | Authenticated (edit_popups+) SQL Injection <2.1.4Update to 2.1.4 | CVE-2023-2111 |
- Medium5.3Unauthenticated Insecure Direct Object Reference
≤2.3.14Update to 2.3.15
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.3.10.1Update to 2.3.11
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤2.3.2Update to 2.3.3
- Medium6.6Authenticated (edit_popups+) SQL Injection
<2.1.4Update to 2.1.4
HollerBox — Fast & Effective Popups & Lead-Generation: common questions
Does HollerBox — Fast & Effective Popups & Lead-Generation have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in HollerBox — Fast & Effective Popups & Lead-Generation: 1 high, 3 medium. None are known to affect version null.
How do I check which version of HollerBox — Fast & Effective Popups & Lead-Generation I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent HollerBox — Fast & Effective Popups & Lead-Generation vulnerability?
CVE-2026-106603, published Oct 8, 2026: HollerBox — Fast & Effective Popups & Lead-Generation <= 2.3.14 - Unauthenticated Insecure Direct Object Reference. Severity: Medium (CVSS 5.3).
Is any HollerBox — Fast & Effective Popups & Lead-Generation vulnerability listed in CISA KEV?
No. None of the known HollerBox — Fast & Effective Popups & Lead-Generation vulnerabilities is currently listed in the CISA KEV catalog.