CVE-2021-38876: IBM I

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM i 7.2, 7.3, and 7.4 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: 208404.

Affected products

• IBM I: version 7.2 only; version 7.3 only; version 7.4 only

Published 2021-12-30. Last modified 2026-06-17.