What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in tagDiv tagDiv Composer td-composer allows DOM-Based XSS.This issue affects tagDiv Composer: from n/a through <= 5.4.2.
Explanation of Vulnerability in Simple Terms
02Summary
tagDiv Composer versions up to 5.4.2 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level site access can craft a request that executes JavaScript in other users' browsers, potentially stealing session tokens or performing actions on their behalf. The vulnerability requires user interaction—the victim must visit a page containing the malicious payload.
What an attacker can do
03Attacker Capabilities
Inject JavaScript that runs in other users' browsers to steal data or perform actions as them.
Potential impact on your site
04Site Impact
Authenticated attackers can compromise other users' sessions and data; site reputation and user trust at risk.
Conditions required to exploit
05Prerequisites
Attacker needs a low-privilege account on the site; victim must visit a page with the malicious payload.
Key dates
06Disclosure timeline
January 22, 2026
CVE published
April 28, 2026
Record updated