Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Activemq | < 5.19.6 |
| Apache | Activemq Web | < 5.19.6 |
Related Weaknesses (CWE)
References
- https://activemq.apache.org/security-advisories.data/CVE-2026-41043-announcementVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/04/23/5Mailing List
FAQ
What is CVE-2026-41043?
CVE-2026-41043 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...
How severe is CVE-2026-41043?
CVE-2026-41043 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-41043?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Activemq, Apache Activemq Web.