TI-2025-08338 Aliases CVE-2025-9096 GHSA-xfp8-x3j6-h67v

ExpressGateway express-gateway REST Endpoint apps.js cross site scripting

MEDIUM 56CWE-79Published 2025-08-17 · Updated 2025-08-18

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting, Code execution
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability has been found in ExpressGateway express-gateway up to 1.16.10. Affected is an unknown function in the library lib/rest/routes/apps.js of the component REST Endpoint. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00337 27th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ExpressGateway	express-gateway	1.16.0; 1.16.1; 1.16.2; 1.16.3; 1.16.4; 1.16.5; 1.16.6; 1.16.7; 1.16.8; 1.16.9; 1.16.10	—	No fix listed	CNA
—	express-gateway (npm)	up to 1.16.10	—	No fix listed	GHSA-xfp8-x3j6-h67v

express-gateway VendorExpressGateway Affected 1.16.0; 1.16.1; 1.16.2; 1.16.3; 1.16.4; 1.16.5; 1.16.6; 1.16.7; 1.16.8; 1.16.9; 1.16.10 Fixed in — No fix listed CNA
express-gateway (npm) Vendor— Affected up to 1.16.10 Fixed in — No fix listed GHSA-xfp8-x3j6-h67v

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-9096
2026-10-03 Alias added: GHSA-xfp8-x3j6-h67v

References

Exploit 1

https://github.com/freshfish-hust/my-cves/issues/6#issue-3287078206

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2025-9096

Other 2

TI-2026-69129 Express Gateway Hardcoded Default cipherKey Exposes OAuth Tokens CVSS 4.0HIGH 7.4
TI-2026-69125 Express Gateway OAuth refresh token grant authentication bypass CVSS 4.0HIGH 7.6
TI-2025-08337 ExpressGateway express-gateway REST Endpoint users.js cross site scripting CVSS 4.0MEDIUM 5.1
TI-2020-17768 The official Express Gateway Docker images before 1.14.0 contain a blank password for a… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences