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TI-2025-07645 Aliases CVE-2025-8349GHSA-jqpj-2w79-j7h7

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

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

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. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00533 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TawkLive Chatall versions—No fix listedCNA
  • Live Chat VendorTawk Affected all versions Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8349
  2. 2026-10-03 Alias added: GHSA-jqpj-2w79-j7h7

References

  • TI-2024-37756 TawkTo Widget Version <= 1.3.7 is vulnerable to Cross Site Scripting (XSS) due to… CVSS 3.1MEDIUM 6.1
  • TI-2025-28902 Cross Site Scripting vulnerability in tawk.to Live Chat v.1.6.1 allows a remote attacker… CVSS 3.1MEDIUM 6.1
  • TI-2021-07194 Tawk.to Live Chat < 0.6.0 - Subscriber+ Visitor Monitoring & Chat Removal CVSS 3.1HIGH 8.0

Sources