CVE-2026-57213: RabbitMQ: Stored XSS federation management plugin via unsanitized consumer_tag rendering

mediumCVSS 4.8CVE-2026-57213

CSIRTS triage

vendor: RabbitMQ product: RabbitMQ Cross-site scripting

What: Stored XSS vulnerability in the federation management plugin via unsanitized consumer_tag rendering.
Who is affected: Deployments of RabbitMQ using the federation management plugin.
Urgency: Remediation is important due to the potential for XSS attacks.
Action: Update RabbitMQ to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 4.8
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57213

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-572130.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-57213	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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