CVE-2024-27270: IBM WebSphere Application Server Liberty 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: 2024-03-27 · updated 2026-06-17
Weakness: CWE-79

Description

IBM WebSphere Application Server Liberty 23.0.0.3 through 24.0.0.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in a specially crafted URI. IBM X-Force ID: 284576.

Affected products

IBM WebSphere Application Server: from 23.0.0.3 before 24.0.0.4 — fixed in 24.0.0.4

How to fix

Upgrade to a fixed version: IBM WebSphere Application Server 24.0.0.4. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/284576
https://www.ibm.com/support/pages/node/7145231
https://exchange.xforce.ibmcloud.com/vulnerabilities/284576
https://www.ibm.com/support/pages/node/7145231

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