CVE-2025-36298: IBM Sterling b2b Integrator

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

IBM Sterling B2B Integrator 6.1.2.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 and IBM Sterling File Gateway 6.1.2.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 Ebics server component 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 6.1.2.0, up to and including 6.1.2.7_2; from 6.2.0.0, up to and including 6.2.0.5_2; from 6.2.1.0, up to and including 6.2.1.1_2; from 6.2.2.0, up to and including 6.2.2.0_1
• IBM Sterling File Gateway: from 6.1.2.0, up to and including 6.1.2.7_2; from 6.2.0.0, up to and including 6.2.0.5_2; from 6.2.1.0, up to and including 6.2.1.1_2; from 6.2.2.0, up to and including 6.2.2.0_1

Published 2026-07-30. Last modified 2026-09-29.