What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PluginOps Landing Page Builder page-builder-add allows Stored XSS.This issue affects Landing Page Builder: from n/a through <= 1.5.3.4.
Explanation of Vulnerability in Simple Terms
02Summary
Landing Page Builder versions up to 1.5.3.4 contain a stored cross-site scripting vulnerability. An authenticated user with high privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Compromised admin accounts could inject scripts affecting all site visitors, potentially stealing credentials or modifying site content.
Conditions required to exploit
05Prerequisites
Attacker must have high-level admin privileges and the victim must visit a page containing the injected script.
Key dates
06Disclosure timeline
January 23, 2026
CVE published
April 28, 2026
Record updated