CVE-2026-57214

Description

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.

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Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/rabbitmq/rabbitmq-server/commit/b0027b6c1ae5b869d876e211efe6189ffd92b5c2 https://github.com/rabbitmq/rabbitmq-server/commit/b267a290dd89e42c6e0256f46fc273a8adb7f3ec https://github.com/rabbitmq/rabbitmq-server/pull/15606 https://github.com/rabbitmq/rabbitmq-server/pull/15608 https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5 https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-6jfq-prw2-7rwp

Frequently Asked Questions

What is CVE-2026-57214? +

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.

How do I check if I'm vulnerable to CVE-2026-57214? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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