CVE-2023-24966: IBM WebSphere Application Server cross-site scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-27 · updated 2026-06-17
Weakness: CWE-79

Description

IBM WebSphere Application Server 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: 246904.

Affected products

IBM WebSphere Application Server: from 8.5.0.0 before 8.5.5.24; from 9.0.0.0 before 9.0.5.16 — fixed in 8.5.5.24, 9.0.5.16

How to fix

Upgrade to a fixed version: IBM WebSphere Application Server 8.5.5.24, 9.0.5.16. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-24966 or the next vulnerability affects your stack