CVE-2025-8349 | THREATINT

Description

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 Reserved 2025-07-30 | Published 2025-10-20 | Updated 2025-10-20 | Assigner INCIBE

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status

unaffected

All versions

affected

Credits

José Manuel Jerónimo Rodríguez finder

References

www.incibe.es/...ss-site-scripting-xss-stored-tawk-live-chat

cve.org (CVE-2025-8349)

nvd.nist.gov (CVE-2025-8349)

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