Cross-Site Scripting Vulnerability in ExpressGateway by FreshFish
CVE-2025-9096

5.1MEDIUM

Key Information:

Vendor
CVE Published:
18 August 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-9096?

A cross-site scripting vulnerability exists in the ExpressGateway up to version 1.16.10, specifically within the REST Endpoint component found in the lib/rest/routes/apps.js file. This flaw allows attackers to manipulate input, potentially leading to unauthorized script execution in users' browsers. Exploitation can occur remotely, raising significant security concerns for deployments utilizing affected versions of the software. The issue was disclosed publicly, and while the vendor was notified, no response has been recorded. Organizations using ExpressGateway should assess their systems and update to the latest version to mitigate potential risks.

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Affected Version(s)

express-gateway 1.16.0

express-gateway 1.16.1

express-gateway 1.16.2

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.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

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