Stored cross-site scripting in Vert.x-Web - CVE-2025-11966

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Main Vulnerability Database Vulnerabilities #VU117611

Stored cross-site scripting in Vert.x-Web - CVE-2025-11966

Published: October 23, 2025


Vulnerability identifier: #VU117611
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-11966
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 in directory listings within file names. A remote user can inject 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

Vert.x-Web
Event Processing
IBM Business Automation Manager Open Editions
IBM Event Endpoint Management
AMQ Streams
Red Hat build of Quarkus

How to mitigate CVE-2025-11966

Install updates from vendor's website.

Vert.x-Web - addressed in versions 4.5.22, 5.0.5
Event Processing - update to 1.4.7
IBM Business Automation Manager Open Editions - update to 9.3.1
IBM Event Endpoint Management - update to 11.7.2
AMQ Streams - update to 3.1.0
Red Hat build of Quarkus - update to 3.27.1.SP1

External References

Related Security Bulletins