Cross-site scripting in IBM WebSphere Application Server - CVE-2026-11712

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Main Vulnerability Database Vulnerabilities #VU136705

Cross-site scripting in IBM WebSphere Application Server - CVE-2026-11712

Published: July 2, 2026


Vulnerability identifier: #VU136705
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N]
CVE-ID: CVE-2026-11712
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

IBM WebSphere Application Server
Enterprise Application Runtimes
Tivoli Network Manager IP Edition
WebSphere Hybrid Edition
Cloud Pak for Applications
IBM Tivoli System Automation Application Manager
IBM Security Guardium Key Lifecycle Manager (GKLM)
WebSphere Service Registry and Repository
WebSphere Remote Server
IBM Rational ClearQuest

How to mitigate CVE-2026-11712

Install updates from vendor's website.

IBM WebSphere Application Server - addressed in versions 8.5.5.31, 9.0.5.29

External References

Related Security Bulletins