CVE-2018-1820: IBM WebSphere Portal

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

IBM WebSphere Portal 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 150096.

Affected products

• IBM WebSphere Portal: version 8.0.0.0 only; version 8.0.0.1 only; version 8.5.0.0 only; version 9.0.0.0 only

Published 2018-09-27. Last modified 2026-06-17.