Arbitrary Plugin Installation Vulnerability in WowOptin: Next-Gen Popup Maker for WordPress
CVE-2026-1720

8.8HIGH

Key Information:

Vendor

WordPress
Status
Wowoptin: Next-gen Popup Maker – Create Stunning Popups And Optins For Lead Generation
Vendor
CVE Published:
5 March 2026

What is CVE-2026-1720?

The WowOptin: Next-Gen Popup Maker plugin for WordPress contains a flaw that allows authenticated attackers with Subscriber-level access or higher to install and activate arbitrary plugins. This vulnerability arises from the absence of proper capability checks in the 'install_and_active_plugin' function, which potentially exposes the site to malicious plugins that could compromise site integrity and security. Users must update to the latest version to mitigate the risk associated with this vulnerability.

Affected Version(s)

WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation 0 <= 1.4.24

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/optin/trunk/in...
https://plugins.trac.wordpress.org/changeset/3456826/

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Itthidej Aramsri
Waris Damkham
.