What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in selloio Sello ChannelConnector sello-channelconnector allows Reflected XSS.This issue affects Sello ChannelConnector: from n/a through <= 1.6.3.
Explanation of Vulnerability in Simple Terms
02Summary
Sello ChannelConnector versions 1.6.3 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 security contexts. An attacker can steal session tokens, redirect users, or perform actions on their behalf.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers, stealing data or performing actions as those users.
Potential impact on your site
04Site Impact
Users visiting crafted URLs could have their sessions compromised or be redirected to phishing sites.
Conditions required to exploit
05Prerequisites
No authentication required. Victim must click a malicious link or visit an attacker-controlled page.
Key dates
06Disclosure timeline
October 22, 2025
CVE published
April 28, 2026
Record updated