Security Advisory

CVE-2026-0483

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-28 11:43:42

Last updated 2026-01-28 15:47:13

Assigner INCIBE

State PUBLISHED

Description

Stored Cross-Site Scripting (XSS) vulnerability in the PDF file upload functionality of Live Helper Chat, versions prior to 4.72. An attacker can upload a malicious PDF file containing an XSS payload, which will be executed in the users context when they download and open the file via the link generated by the application. The vulnerability allows arbitrary JavaScript code to be executed in the users local context.

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