Auth bypass in Wpxpo Wowoptin: Next-Gen Popup Maker – Create Stunning Popups And Optins For Lead Generation

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-1720: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1720?
CVE-2026-1720 is a high-severity vulnerability in Wpxpo Wowoptin: Next-Gen Popup Maker – Create Stunning Popups And Optins For Lead Generation, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-03-05.
How severe is CVE-2026-1720?
High severity. CVSS v3 base score is 8.8 out of 10.