Cross-Site Scripting Vulnerability in GFI KerioConnect File Upload Function
CVE-2025-2976

5.1MEDIUM

Key Information:

Vendor

Gfi

Status
Kerioconnect
Vendor
CVE Published:
31 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2976?

A critical cross-site scripting vulnerability has been identified in GFI KerioConnect version 10.0.6, specifically within its file upload functionality. This flaw allows attackers to inject malicious scripts via uploaded file names, which can subsequently be executed in user sessions. The vulnerability poses significant risks as it enables remote exploitation, potentially leading to unauthorized access and data manipulation. The vendor was informed about this issue but has not issued a response or a fix, leaving users exposed to potential attacks.

Affected Version(s)

KerioConnect 10.0.6

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-2025-2976 - Proof of Concept

References

https://vuldb.com/?id.302028
vdb-entry
https://vuldb.com/?ctiid.302028
signaturepermissions-required
https://github.com/0xs1ash/poc/blob/main/xss.md#2-when-a-...
exploit

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-2976 : Cross-Site Scripting Vulnerability in GFI KerioConnect File Upload Function