Description

WordPress Plugin Popup Builder-Create highly converting, mobile friendly marketing popups is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Popup Builder-Create highly converting, mobile friendly marketing popups version 4.2.7 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 4.3.0 or latest

References

https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/popup-builder/popup-builder-427-authenticatedcontributor-stored-cross-site-scripting-via-custom-js

https://plugins.svn.wordpress.org/popup-builder/trunk/readme.txt

Related Vulnerabilities

Apache Tomcat Improper Input Validation Vulnerability (CVE-2026-41293)

Moodle Other Vulnerability (CVE-2004-2232)

TYPO3 Unverified Password Change Vulnerability (CVE-2025-47938)

WordPress Plugin 10Web Map Builder for Google Maps Security Bypass (1.0.63)

WordPress Plugin WP Silverlight Media Player Cross-Site Scripting (0.8)

Severity

High

Classification

CVE-2024-2506 CWE-79 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS