Security Advisory

CVE-2025-8349

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-10-20 09:56:03

Last updated 2026-03-24 15:42:46

Assigner INCIBE

State PUBLISHED

Description

Cross-site Scripting (XSS) stored vulnerability in Tawk Live Chat. This vulnerability allows an attacker to execute JavaScript code in the victims browser by uploading a malicious PDF with JavaScript payload through the chatbot. The PDF is stored by the application and subsequently displayed without proper sanitisation when other users access it. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

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