ExpressGateway express-gateway up to 1.16.10 REST Endpoint lib/rest/routes/users.js cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in ExpressGateway express-gateway up to 1.16.10. This impacts an unknown function in the library lib/rest/routes/users.js of the component REST Endpoint. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-9095. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in ExpressGateway express-gateway up to 1.16.10. It has been rated as problematic. This issue affects some unknown processing in the library lib/rest/routes/users.js of the component REST Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-9095. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-25146). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.5
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2025 Advisory disclosed
08/17/2025 +0 days VulDB entry created
09/24/2025 +38 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-9095 (🔒)
GCVE (CVE): GCVE-0-2025-9095
GCVE (VulDB): GCVE-100-320417
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/17/2025 14:59
Updated: 09/24/2025 06:10
Changes: 08/17/2025 14:59 (56), 08/18/2025 02:13 (30), 09/24/2025 06:10 (1)
Complete: 🔍
Submitter: Haoatao
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #627709: GitHub Web Application Express Gateway 1.16.10 and possibly earlier Cross Site Scripting (by Haoatao)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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