What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in landwire Responsive Block Control responsive-block-control allows DOM-Based XSS.This issue affects Responsive Block Control: from n/a through <= 1.3.0.
Explanation of Vulnerability in Simple Terms
02Summary
Responsive Block Control versions 1.3.0 and earlier contain a cross-site scripting vulnerability. An attacker with low-level site access can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction to trigger and can affect multiple users across the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Users' sessions and data can be compromised; attackers with contributor access can deface content or steal admin credentials.
Conditions required to exploit
05Prerequisites
Attacker needs low-level site access (e.g., contributor role) and the victim must visit or interact with a page containing the injected payload.
Key dates
06Disclosure timeline
December 31, 2025
CVE published
April 28, 2026
Record updated