Vulnerability CVE-2024-4045
Published: 2024-05-25

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.

 References:
https://www.wordfence.com/threat-intel/vulnerabilities/id/b4dfeb49-38d3-495d-af96-d67a29b339fa?source=cve
https://plugins.trac.wordpress.org/browser/optinmonster/tags/2.16.0/OMAPI/Elementor/Widget.php#L532
https://plugins.trac.wordpress.org/changeset/3087905/
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