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Medium, CVSS 6.1amended

Cobbler XSS Vulnerability

CVE-2018-1000225GHSA-q9g5-98pm-w6q7

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • PyPI cobbler

    Affected
    <= 2.6.11
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
6.1 · CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
  • CVE-2018-1000225: 1.27% estimated exploitation activity in the next 30 days; percentile 69.90 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.0+ or possibly even older versions may be vulnerable contains a Cross Site Scripting (XSS) vulnerability in cobbler-web that can result in Privilege escalation to admin.. This attack appear to be exploitable via "network connectivity". Sending unauthenticated JavaScript payload to the Cobbler XMLRPC API (/cobblerapi).

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-q9g5-98pm-w6q7

  2. Revision 1 · created ·

    Published from osv record GHSA-q9g5-98pm-w6q7

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2018-1000225

Advisory: Cobbler XSS Vulnerability
IDs: CVE-2018-1000225, GHSA-q9g5-98pm-w6q7
Record: https://patchnext.com/advisories/cve-2018-1000225 (revision 2, source checked 26 Oct 2026, 13:12 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI cobbler: affected <= 2.6.11

## Suggested inspection (read-only)
- `python -m pip show cobbler`: prints the installed version. Run with the environment that serves production active.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on cobbler.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-q9g5-98pm-w6q7 (OSV record GHSA-q9g5-98pm-w6q7 lists affected ranges: PyPI cobbler >=0 <=2.6.11)
- Verified: https://github.com/advisories/GHSA-q9g5-98pm-w6q7 (GitHub-reviewed advisory GHSA-q9g5-98pm-w6q7 lists affected ranges: PyPI cobbler >=0 <=2.6.11)

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