Cross Site Scripting Vulnerability in Alinto Sogo Email Client
CVE-2025-63499

6.1MEDIUM

Key Information:

Vendor

Alinto

Status
Sogo
Vendor
CVE Published:
4 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-63499?

Alinto Sogo version 5.12.3 is susceptible to a Cross Site Scripting (XSS) attack via improper handling of user input in the theme parameter. This vulnerability allows attackers to inject malicious scripts, potentially compromising user sessions and leading to unauthorized access to sensitive information. Users of affected versions are advised to implement measures to sanitize user inputs and update their software to the latest versions to mitigate this risk. For more information, refer to the detailed reports accessible through the provided references.

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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-2025-63499
Created by poblaguev-tot

References

https://github.com/poblaguev-tot/CVE-2025-63499
https://email.example.com/SOGo/so/victim@example.com/Mail...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

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