What the vulnerability does
01Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in tagDiv tagDiv Composer td-composer allows Code Injection.This issue affects tagDiv Composer: from n/a through <= 5.4.3.
Explanation of Vulnerability in Simple Terms
02Summary
tagDiv Composer versions up to 5.4.3 contain an improper input validation flaw that allows unauthenticated attackers to read sensitive information over the network. The vulnerability requires no user interaction and can be exploited remotely. Site administrators should update to a version newer than 5.4.3 to mitigate exposure.
What an attacker can do
03Attacker Capabilities
Read sensitive information from the site without authentication.
Potential impact on your site
04Site Impact
Confidential data may be exposed to unauthenticated visitors without your knowledge.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
April 8, 2026
CVE published
April 29, 2026
Record updated