What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fifthsegment Whitelist fifthsegment-whitelist allows Reflected XSS.This issue affects Whitelist: from n/a through <= 3.5.
Explanation of Vulnerability in Simple Terms
02Summary
Whitelist versions 3.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect users across different parts of the application. An attacker needs no authentication to exploit this flaw.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers, stealing session tokens or performing actions on their behalf.
Potential impact on your site
04Site Impact
Users visiting affected pages could have their sessions hijacked or be redirected to phishing sites; site reputation may suffer.
Conditions required to exploit
05Prerequisites
Victim must click a malicious link or visit an attacker-controlled page; no authentication required.
Key dates
06Disclosure timeline
October 29, 2024
CVE published
April 28, 2026
Record updated