CVE-2026-1720

The WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation plugin for WordPress is vulnerable to unauthorized arbitrary plugin installation due to a missing capability check on the 'install_and_active_plugin' function in all versions up to, and including, 1.4.24. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins.

Score

CVSS 3.1 8.8 High

Status

Deferred - security@wordfence.com

Published

2026-03-05

Last modified

2026-04-08

Weaknesses

CWE-862

Affected products

• Wowoptin Next-gen Popup Maker Create Stunning Popups And Optins For Lead Generation (Wpxpo)

References

• https://plugins.trac.wordpress.org/browser/optin/trunk/includes/utils/class-notice.php#L848
• https://plugins.trac.wordpress.org/changeset/3456826/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ee0c0e29-b117-4480-b5b7-995878af8c57?source=cve