Cross-site scripting in RabbitMQ - #VU134805
Published: June 18, 2026
Vulnerability identifier: #VU134805
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
RabbitMQ
RabbitMQ
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary JavaScript in the browser of another user.
The vulnerability exists due to cross-site scripting in the RabbitMQ management UI queue and exchange listing pages when rendering the x-internal-purpose queue or exchange argument into an HTML title attribute. A remote user can declare a queue or exchange with a crafted x-internal-purpose value to execute arbitrary JavaScript in the browser of another user.
The payload is stored in queue or exchange metadata and is triggered when a user views the Queues or Exchanges page.
Remediation
Install security update from vendor's website.