CVE-2022-0479: Popup Builder < 4.1.1 - SQL Injection to Reflected Cross-Site Scripting

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 43.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-28 · updated 2026-06-17
Weakness: CWE-89

Description

The Popup Builder WordPress plugin before 4.1.1 does not sanitise and escape the sgpb-subscription-popup-id parameter before using it in a SQL statement in the All Subscribers admin dashboard, leading to a SQL injection, which could also be used to perform Reflected Cross-Site Scripting attack against a logged in admin opening a malicious link

Affected products

Popup Builder: before 4.1.1 — fixed in 4.1.1

How to fix

Upgrade to a fixed version: Popup Builder 4.1.1. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2686454
https://wpscan.com/vulnerability/0d2bbbaf-fbfd-4921-ba4e-684e2e77e816
https://plugins.trac.wordpress.org/changeset/2686454
https://wpscan.com/vulnerability/0d2bbbaf-fbfd-4921-ba4e-684e2e77e816

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