What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyberChimps Responsive Blocks responsive-block-editor-addons allows Reflected XSS.This issue affects Responsive Blocks: from n/a through <= 1.9.9.
Explanation of Vulnerability in Simple Terms
02Summary
Responsive Blocks versions 1.9.9 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected content. The vulnerability requires user interaction 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
Authenticated users can compromise other users' sessions and data; site reputation and user trust at risk.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account and the victim must click a malicious link or visit a crafted page.
Key dates
06Disclosure timeline
February 4, 2025
CVE published
April 28, 2026
Record updated