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MEDIUM severity

CVE-2019-11291 — rabbit_common

MEDIUM

CVE-2019-11291 is a medium-severity (CVSS 4.8) Cross-site Scripting (XSS) vulnerability in rabbit_common. A fix is available for rabbit_common — see the affected versions and patch details below.

Cross-site Scripting in RabbitMQ

Also known asGHSA-9pf7-f47q-mwpq
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 7, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs57th percentile — riskier than 57% of all scored CVEsHighest risk
0.00%0.43%0.86%1.30%0.5%0.8%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
💧rabbit_common💧rabbit_common

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Hex packages — download data is not available via public APIs for these ecosystems.

Description

Pivotal RabbitMQ, 3.7 versions prior to v3.7.20 and 3.8 version prior to v3.8.1, and RabbitMQ for PCF, 1.16.x versions prior to 1.16.7 and 1.17.x versions prior to 1.17.4, contain two endpoints, federation and shovel, which do not properly sanitize user input. A remote authenticated malicious user with administrative access could craft a cross site scripting attack via the vhost or node name fields that could grant access to virtual hosts and policy management information.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
💧Hexrabbit_common≥ 3.7.0&&< 3.7.203.7.20mix deps.update rabbit_common
💧Hexrabbit_common≥ 3.8.0&&< 3.8.13.8.1mix deps.update rabbit_common

Affected Products

3 products · 5 configurations
Application
rabbitmq serverbroadcom
≥ 3.7.0 && < 3.7.20
1 version
3.8.0
Application
openstackredhat
1 version
15
Application
rabbitmqvmware
≥ 1.17.0 && < 1.17.4
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rabbit_common, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update rabbit_common to 3.7.20 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-11291 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatLow
ProductFixed inAdvisory
Red Hat OpenStack Platform 15.0 (Stein)rabbitmq-server-0:3.7.23-2.el8ostRHSA-2020:0553

Frequently Asked Questions

Pivotal RabbitMQ, 3.7 versions prior to v3.7.20 and 3.8 version prior to v3.8.1, and RabbitMQ for PCF, 1.16.x versions prior to 1.16.7 and 1.17.x versions prior to 1.17.4, contain two endpoints, federation and shovel, which do not properly sanitize user input. A remote authenticated malicious user with administrative access could craft a cross site scripting attack via the vhost or node name fields that could grant access to virtual hosts and policy management information.
O3 Security · Impact-Aware SCA

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CVE-2019-11291: rabbit_common XSS — Fixed in 3.7.20