Cross Site Scripting Vulnerability in Comodo Dragon Web Browser
CVE-2025-8206

2.3LOW

Key Information:

Vendor

Comodo

Status
Dragon
Vendor
CVE Published:
26 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8206?

A cross site scripting vulnerability exists in the Comodo Dragon web browser, specifically impacting the IP DNS Leakage Detector component. This vulnerability allows attackers to execute arbitrary scripts in the context of a user's session, which can compromise sensitive information. While the attack may have a high complexity and is not easily exploitable, it has been publicly disclosed and poses a potential risk for users. The vendor was informed about the issue but has not responded.

Affected Version(s)

Dragon 134.0.6998.179

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8206 - Proof of Concept

References

https://vuldb.com/?id.317775
vdb-entry
https://vuldb.com/?ctiid.317775
signaturepermissions-required
https://news.fmisec.com/comodo-dragon-vulnerability
exploit

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-8206 : Cross Site Scripting Vulnerability in Comodo Dragon Web Browser