CVE-2023-2111: HollerBox < 2.1.4 - Admin+ SQL Injection

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-30 · updated 2026-06-17

Description

The Fast & Effective Popups & Lead-Generation for WordPress plugin before 2.1.4 concatenates user input into an SQL query without escaping it first in the plugin's report API endpoint, which could allow administrators in multi-site configuration to leak sensitive information from the site's database.

Affected products

Groundhogg HollerBox: before 2.1.4 — fixed in 2.1.4

How to fix

Upgrade to a fixed version: Groundhogg HollerBox 2.1.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/7a0bdd47-c339-489d-9443-f173a83447f2
https://wpscan.com/vulnerability/7a0bdd47-c339-489d-9443-f173a83447f2

Get alerted when CVE-2023-2111 or the next vulnerability affects your stack