Popup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 - Missing Authorization and Nonce Exposure

8.1
Missing Authorization
CVE CVE-2023-6696
CVSS 8.1 (High)
Publicly Published June 14, 2024
Last Updated June 15, 2024
Researcher Lucio Sá

Description

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several functions in all versions up to, and including, 4.3.1. While some functions contain a nonce check, the nonce can be obtained from the profile page of a logged-in user. This allows subscribers to perform several actions including deleting subscribers and perform blind Server-Side Request Forgery.

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Vulnerability Details for Popup Builder – Create highly converting, mobile friendly marketing popups.

Software Type Plugin
Software Slug popup-builder (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.3.2, or a newer patched version
Affected Version
  • <= 4.3.1
Patched Version
  • 4.3.2

Recent vulnerabilities in Popup Builder – Create highly converting, mobile friendly marketing popups.

# Title CVE ID CVSS Researchers Date
1 Popup Builder - Create highly converting, mobile friendly marketing popups. <= 4.4.2 - Improper Authorization to Unauthenticated Subscriber Removal via Predictable Tokens CVE-2025-13079 5.3 Rafshanzani Suhada February 18, 2026
2 Popup Builder – Create highly converting, mobile friendly marketing popups. <= 4.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-9856 6.4 Naoya Takahashi (nakko) December 12, 2025
3 Popup Builder <= 4.3.4 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2024-9428 4.4 Dmitrii Ignatyev November 21, 2024
4 Popup Builder <= 4.3.6 - Sensitive Information Exposure via Imported Subscribers CSV File CVE-2024-2541 5.3 Tim Coen August 28, 2024
5 Popup Builder <= 4.3.0 - Missing Authorization in Multiple AJAX Actions CVE-2024-2544 7.4 Alex Thomas June 14, 2024
6 Popup Builder <= 4.2.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Custom JS CVE-2024-2506 6.4 Tim Coen May 31, 2024
7 Popup Builder <= 4.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2024-30184 6.4 LVT-tholv2k March 25, 2024
8 Popup Builder <= 4.2.5 - Authenticated (Admin+) Server-Side Request Forgery CVE-2023-6294 5.5 Sebastian Neef January 17, 2024
9 Popup Builder <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting CVE-2023-6000 6.1 Marc-Alexandre Montpas December 11, 2023
10 Popup Builder <= 4.2.1 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2023-3226 4.4 Dipak Panchal (th3.d1p4k) August 28, 2023

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