Cross Site Scripting Vulnerability in GFI KerioConnect by GFI Software
CVE-2025-2975

5.1MEDIUM

Key Information:

Vendor

Gfi

Status
Kerioconnect
Vendor
CVE Published:
31 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2975?

A vulnerability exists within GFI KerioConnect 10.0.6 that impacts the processing of the Settings/Email/Signature/EditHtmlSource component of the Signature Handler. This flaw allows for cross site scripting attacks that may be initiated remotely. Given that the exploit has been made public and the vendor has not addressed the issue, users are urged to assess their exposure and implement protective measures against potential exploitation.

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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-2025-2975 - Proof of Concept

References

https://vuldb.com/?id.302027
vdb-entry
https://vuldb.com/?ctiid.302027
signaturepermissions-required
https://vuldb.com/?submit.523009
third-party-advisory

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

Credit

slash0x99 (VulDB User)
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