CVE-2025-36135: IBM Sterling b2b Integrator

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• IBM Sterling b2b Integrator: from 6.0.0.0, up to and including 6.1.2.7_1; from 6.2.0.0, up to and including 6.2.0.5; version 6.2.1.0 only
• IBM Sterling File Gateway: from 6.0.0.0, up to and including 6.1.2.7_1; from 6.2.0.0, up to and including 6.2.0.5; version 6.2.1.0 only

Published 2025-11-07. Last modified 2026-06-17.