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CVE-2025-8349

Cross-Site Scripting (XSS) stored in Tawk Live Chat

MEDIUM
5.3
CVSS Score
Published: October 20, 2025 at 09:56 AM UTC
Updated: October 8, 2026 at 10:10 PM UTC
1 product affected across 1 vendorTawk.to Live Chat

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tawk.to Live Chat· Tawkwordpress-plugin
90%
0 ≤ v ≤ *0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-xss-stored-tawk-live-chat

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMINCIBE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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