CVE-2026-57213: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in rabbitmq rabbitmq-server
A cross-site scripting (XSS) vulnerability exists in the rabbitmq_federation_management plugin of rabbitmq-server prior to versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. The consumer_tag field on the Federation Status page is rendered without proper HTML escaping, allowing a user who can configure federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This vulnerability has a medium severity score of 5.7 and is fixed in the specified versions.
AI Analysis
Technical Summary
CVE-2026-57213 is a CWE-79 cross-site scripting vulnerability in the rabbitmq_federation_management plugin of rabbitmq-server. The issue arises because the consumer_tag field on the Federation Status page is not HTML-escaped, enabling an attacker with configuration privileges to inject JavaScript that executes in the context of users viewing that page. The vulnerability affects versions prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, where it has been fixed.
Potential Impact
An attacker who has the ability to configure a federation upstream or policy can inject malicious JavaScript code that executes in the browser of users viewing the Federation Status page. This could lead to actions such as session hijacking or other client-side attacks within the context of the affected user's browser session. The vulnerability requires privileges to configure federation settings and user interaction (viewing the page).
Mitigation Recommendations
This vulnerability is fixed in rabbitmq-server versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. Users should upgrade to one of these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory information. No additional mitigation steps are indicated.
CVE-2026-57213: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in rabbitmq rabbitmq-server
Description
A cross-site scripting (XSS) vulnerability exists in the rabbitmq_federation_management plugin of rabbitmq-server prior to versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. The consumer_tag field on the Federation Status page is rendered without proper HTML escaping, allowing a user who can configure federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This vulnerability has a medium severity score of 5.7 and is fixed in the specified versions.
CVSS v4.0
Score 5.7medium
Affected software
pkg:github/rabbitmq/rabbitmq-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-57213 is a CWE-79 cross-site scripting vulnerability in the rabbitmq_federation_management plugin of rabbitmq-server. The issue arises because the consumer_tag field on the Federation Status page is not HTML-escaped, enabling an attacker with configuration privileges to inject JavaScript that executes in the context of users viewing that page. The vulnerability affects versions prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, where it has been fixed.
Potential Impact
An attacker who has the ability to configure a federation upstream or policy can inject malicious JavaScript code that executes in the browser of users viewing the Federation Status page. This could lead to actions such as session hijacking or other client-side attacks within the context of the affected user's browser session. The vulnerability requires privileges to configure federation settings and user interaction (viewing the page).
Mitigation Recommendations
This vulnerability is fixed in rabbitmq-server versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. Users should upgrade to one of these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory information. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-24T02:21:33.810Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a515a8b68715ace432d82f2
Added to database: 07/10/2026, 20:48:11 UTC
Last enriched: 07/10/2026, 21:03:37 UTC
Last updated: 07/10/2026, 21:27:30 UTC
Views: 3
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