CVE-2025-8349
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.
Published:Oct 20, 2025
Last Modified:Apr 15, 2026
EPS:Oct 20, 2025
EPSS Score:0.00055
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Tawk
Product
Live Chat
Tawk
Live Chat
Vendor
Tawk
Product
Tawk.to Live Chat
Tawk
Tawk.to Live Chat
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
