Known vulnerabilities in Popup Box – Easily Create WordPress Popups

Popup Box lets you create responsive, customizable WordPress popups with live preview, flexible triggers, and smart targeting to boost engagement and …

12Reported vulnerabilities

8.8Highest CVSS score

3.2.15Latest version

6,000+Active installs

What to do now

Update Popup Box – Easily Create WordPress Popups to 5.5.0 or later. 12 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 20, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-24460	High 8.8	1.4%	Before 3.5.3	`3.5.3`	August 2, 2021
CVE-2021-24458	High 8.8	1.4%	Before 2.3.4	`2.3.4`	August 2, 2021
CVE-2024-9599	Medium 5.4	0.3%	Before 4.7.8	`4.7.8`	May 15, 2025
CVE-2025-15611	Medium 5.4	0.1%	Before 5.5.0	`5.5.0`	April 7, 2026
CVE-2023-5874	Medium 4.8	0.4%	Before 3.8.6	`3.8.6`	December 4, 2023
CVE-2023-5809	Medium 4.8	0.4%	Before 3.8.6	`3.8.6`	December 4, 2023
CVE-2023-5343	Medium 4.8	0.5%	Before 3.7.9	`3.7.9`	November 20, 2023
CVE-2023-4390	Medium 4.8	0.4%	Before 3.7.2	`3.7.2`	October 31, 2023
CVE-2024-3477	Medium 4.3	0.3%	Before 2.2.7	`2.2.7`	May 2, 2024
CVE-2022-29445	High 7.2	1.0%	2.1.2 and earlier	`2.2`	May 18, 2022
CVE-2025-12122	Medium 6.4	0.2%	3.2.12 and earlier	`3.2.13`	February 17, 2026
CVE-2025-24711	Medium 4.3	0.2%	3.2.4 and earlier	`3.2.5`	January 24, 2025

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.