Apache ActiveMQ Web Basic XSS Fixed in 5.19.6/6.2.5
CVE-2026-41043 Published on April 24, 2026
Apache ActiveMQ, Apache ActiveMQ Web: ActiveMQ Web Console - XSS vulnerability when browsing queues
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache ActiveMQ, Apache ActiveMQ Web.
An authenticated attacker can show malicious content when browsing queues in the web console by overriding the content type to be HTML (instead of XML) and by injecting HTML into a JMS selector field.
This issue affects Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ Web: before 5.19.6, from 6.0.0 before 6.2.5.
Users are recommended to upgrade to version 6.2.5 or 5.19.6, which fixes the issue.
Weakness Types
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-41043 has been classified to as a XSS vulnerability or weakness.
What is a Mass Assignment Vulnerability?
The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
CVE-2026-41043 has been classified to as a Mass Assignment vulnerability or weakness.
Products Associated with CVE-2026-41043
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Affected Versions
Apache Software Foundation Apache ActiveMQ:- Before 5.19.6 is affected.
- Version 6.0.0 and below 6.2.5 is affected.
- Before 5.19.6 is affected.
- Version 6.0.0 and below 6.2.5 is affected.