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.

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Deploy the Patch

Affected Version(s)

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