Medium severity · published Jun 30, 2026
CVE-2026-52760
Apache ActiveMQ, Apache ActiveMQ Web Console: Stored XSS via Unescaped values in ActiveMQ Web Console
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web Console.
The browse page in the web console renders a message Id directly without sanitization. This allows an authenticated producer to send a message with a JMS message ID that has been crafted to contain HTML/JavaScript such that when an administrator browses the queue in the Web Console, the payload executes in their browser.
This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Web Console: before 5.19.8, from 6.0.0 before 6.2.7.
Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
ActiveMQ · Apache
before 5.19.8; 6.0.0 before 6.2.7 · source: vendor, NVD
AA
Apache ActiveMQ Web Console · Apache Software Foundation
before 5.19.8; 6.0.0 before 6.2.7 · source: vendor
AW
Activemq Web · Apache
before 5.19.8; 6.0.0 before 6.2.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-52760
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-52760
Vendor Advisory
https://lists.apache.org/thread/d3mhyo2116nomz2lwxppyy4pclvdxq3n
Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/06/29/12
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