Cross-Site Scripting Vulnerability in GFI KerioConnect PDF File Handler
CVE-2025-2977

5.1MEDIUM

Key Information:

Vendor

Gfi

Status
Kerioconnect
Vendor
CVE Published:
31 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2977?

A vulnerability in GFI KerioConnect version 10.0.6 has been identified that affects its PDF File Handler functionality. This issue allows attackers to execute arbitrary JavaScript code in the context of the user's browser through cross-site scripting (XSS) attacks. The manipulation can be executed remotely, enabling potential exploitation by malicious actors. An alert was sent to the vendor about this disclosure; however, no response has been recorded. It is critical for users of the affected version to assess their security measures against this vulnerability.

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-2025-2977 - Proof of Concept

References

https://vuldb.com/?id.302029
vdb-entry
https://vuldb.com/?ctiid.302029
signaturepermissions-required
https://vuldb.com/?submit.523016
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)
.