What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Berkman Klein Center Amber amberlink allows Reflected XSS.This issue affects Amber: from n/a through <= 1.4.4.
Explanation of Vulnerability in Simple Terms
02Summary
Amber versions up to 1.4.4 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—victims must visit a crafted link or page. When exploited, attackers can steal session data, redirect users, or perform actions on their behalf. The scope is changed, meaning the impact extends beyond the vulnerable component itself.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in users' browsers to steal data or perform unauthorized actions.
Potential impact on your site
04Site Impact
Users visiting crafted links could have their sessions hijacked or be redirected to phishing sites.
Conditions required to exploit
05Prerequisites
Victim must click a malicious link or visit an attacker-controlled page; no authentication required.
Key dates
06Disclosure timeline
January 15, 2025
CVE published
April 29, 2026
Record updated