CVE-2026-57214: high-severity vulnerability in rabbitmq-server
RabbitMQ: Stored XSS in RabbitMQ management UI
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.2%
RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange to execute JavaScript in another user's browser. This issue is fixed in version 4.2.5.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
rabbitmq · rabbitmq-serverRelated CVEs — rabbitmq-server
In the same product, most dangerous first.
CVE-2026-57219HIGHRabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurationsEPSS 2.8%CVE-2021-32718LOWImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in RabbitMQ management UIEPSS 1.4%CVE-2021-32719LOWImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in RabbitMQ federation management pluginEPSS 1.4%CVE-2023-46118MEDIUMDenial of Service by publishing large messages over the HTTP APIEPSS 1.3%CVE-2026-67414MEDIUMRabbitMQ AMQP 1.0 parser: amplification memory-exhaustion DoS via zero-width array aggregationEPSS 0.6%CVE-2026-57211MEDIUMRabbitMQ: UNC SSRF affecting the management UI on WindowsEPSS 0.6%
References
https://github.com/rabbitmq/rabbitmq-server/commit/b0027b6c1ae5b869d876e211efe6189ffd92b5c2https://github.com/rabbitmq/rabbitmq-server/commit/b267a290dd89e42c6e0256f46fc273a8adb7f3echttps://github.com/rabbitmq/rabbitmq-server/pull/15606https://github.com/rabbitmq/rabbitmq-server/pull/15608https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-6jfq-prw2-7rwp