CVE-2024-4045

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

The Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘campaign_id’ parameter in versions up to, and including, 2.16.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
smub	Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation	<= 2.16.1

References

Timeline

Published: May 25, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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