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Vulnerability record · CVE-2026-57213 · published 10 July 2026

CVE-2026-57213: Broadcom rabbitmq server cross-site scripting vulnerability

Broadcom · Rabbitmq Server

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_federation_management plugin renders the consumer_tag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.

5.7 CVSS 4.0 Medium EPSS 0.25% · top 85.0% CWE-79 · Cross-site scripting
5.7CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 2 tagged exploit
14 Jul 2026Last modified by NVD

Description

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_federation_management plugin renders the consumer_tag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/rabbitmq/rabbitmq-server/commit/33dedfe4fd53ff009cc67ab36358d0624c6b2e53 Patch
https://github.com/rabbitmq/rabbitmq-server/commit/c2d0d69edf01efbd6e87dfb250c373a32da957f8 Patch
https://github.com/rabbitmq/rabbitmq-server/pull/15708 Issue TrackingPatch
https://github.com/rabbitmq/rabbitmq-server/pull/15711 Issue TrackingPatch
https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5 Release Notes
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-qxrp-7cmp-p77h ExploitVendor Advisory
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-qxrp-7cmp-p77h ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-57213), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.