CVE Catalog

CVE-2025-8349

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.53%

43th percentile - higher than 43% of all known CVEs

Summary

Cross-site Scripting (XSS) stored vulnerability in Tawk Live Chat. This vulnerability allows an attacker to execute JavaScript code in the victim's 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.

Risk Assessment

This may allow theft of sensitive user data, such as session cookies, or performing actions on behalf of the user. It affects all users viewing the malicious file.

Recommendation

Update Tawk Live Chat to a version containing the fix. Implement sanitization of uploaded files and consider filtering PDF content.

Related vulnerabilities

Original NVD description (English source)

Cross-site Scripting (XSS) stored vulnerability in Tawk Live Chat. This vulnerability allows an attacker to execute JavaScript code in the victim's 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS