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NVD security advisoryCritical

Critical advisory for The Popup Builder – Create highly conver

CVE-2026-89270 · Reported 31 Oct 2026

Full advisory details, affected packages, severity context, and original source.

Affected technology

The Popup Builder – Create highly converAffected product

Advisory overview

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.5 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to trash all published popups on the site with a single unauthenticated GET request. The attack is amplified by a second flaw in SGPopup::find(), which returns false for every normally published popup when the sg_popup_preview_id parameter is present, causing the trash branch to fire against every popup on the site simultaneously.

Related references

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The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulner | Security report | Cevnitra