IBM Sterling B2B & File Gateway 6.0-6.2.1.x Auth XSS in Web UI Credential Leak
CVE-2025-36135 Published on November 7, 2025

IBM Sterling B2B Integrator and IBM Sterling File Gateway are Vulnerable to Cross-Site Scripting
IBM Sterling B2B Integrator 6.0.0.0 through 6.1.2.7_1, 6.2.0.0 through 6.2.0.5, and 6.2.1.0 and IBM Sterling File Gateway 6.0.0.0 through 6.1.2.7_1, 6.2.0.0 through 6.2.0.5, and 6.2.1.0 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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2025-36135 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software 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.

CVE-2025-36135 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2025-36135

stack.watch emails you whenever new vulnerabilities are published in IBM Sterling B2b Integrator or IBM Sterling File Gateway. Just hit a watch button to start following.

IBM Sterling B2b Integrator
 
IBM Sterling File Gateway
 

Affected Versions

IBM Sterling B2B Integrator: IBM Sterling File Gateway:

Exploit Probability

EPSS
0.04%
Percentile
10.68%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.