CVE-2025-36431: XSS Security Vulnerability in response header affects IBM Sterling B2B Integrator and IBM Sterling File Gateway

Published Jul 21, 2026
·
Updated

IBM Sterling B2B Integrator 6.2.2.0 through 6.2.2.01 and IBM Sterling File Gateway 6.2.2.0 through 6.2.2.01 is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Other sources

IBM Sterling File Gateway is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

IBM

Affected Software

3 affected components
IBM Sterling B2B Integrator>=6.2.2.0<=6.2.2.0_1
IBM Sterling File Gateway>=6.2.2.0<=6.2.2.0_1
IBM Sterling B2B Integrator and IBM Sterling File Gateway<=6.2.2.0 - 6.2.2.0_1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Sterling B2B Integrator and IBM Sterling File Gateway to a version that resolves this vulnerability.

    Fixed in 6.2.2.1Patch IT49587
  2. Compensating control

    Mitigate XSS impact by reducing risk from the XSS Security Vulnerability in response header affecting IBM Sterling B2B Integrator and IBM Sterling File Gateway (per the described XSS Security Vulnerability context).

Event History

Jul 21, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jul 30, 2026
CVE Published
via MITRE·02:36 PM
Data Sourced
via MITRE·02:36 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-36431?

The severity of CVE-2025-36431 is medium with a CVSS score of 5.4.

2

How do I fix CVE-2025-36431?

To fix CVE-2025-36431, update IBM Sterling B2B Integrator and IBM Sterling File Gateway to the latest version that addresses the vulnerability.

3

What applications are affected by CVE-2025-36431?

CVE-2025-36431 affects IBM Sterling B2B Integrator and IBM Sterling File Gateway versions 6.2.2.0 to 6.2.2.0_1.

4

What type of vulnerability is CVE-2025-36431?

CVE-2025-36431 is a cross-site scripting (XSS) vulnerability.

5

Who can exploit CVE-2025-36431?

An authenticated user can exploit CVE-2025-36431 to embed arbitrary JavaScript code in the Web UI.

Contact

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