CVE-2022-4381: Popup Maker < 1.16.9 - Contributor+ Stored XSS via Subscription Form

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-01-02 · updated 2026-06-17

Description

The Popup Maker WordPress plugin before 1.16.9 does not validate and escape one of its shortcode attributes, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks

Affected products

danieliser Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder: before 1.16.9 — fixed in 1.16.9

How to fix

Upgrade to a fixed version: danieliser Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder 1.16.9. Check the vendor advisory for mitigations.

References

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