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High, CVSS 8.3

Cockpit Cross-site Scripting vulnerability

CVE-2023-4196GHSA-w3qm-93vf-5hrw

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (cockpit-hq/cockpit 2.6.3), redeploy, then verify what is actually installed.

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

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
8.3 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS
  • CVE-2023-4196: 0.47% estimated exploitation activity in the next 30 days; percentile 40.82 (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.

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.6.3. For any role that has permission to execute function assets, an attacker can upload a html file and that leads to XSS.

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

    Published from ghsa record GHSA-w3qm-93vf-5hrw

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-2023-4196

Advisory: Cockpit Cross-site Scripting vulnerability
IDs: CVE-2023-4196, GHSA-w3qm-93vf-5hrw
Record: https://patchnext.com/advisories/cve-2023-4196 (revision 1, source checked 26 Oct 2026, 14:11 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: cockpit-hq/cockpit 2.6.3. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist cockpit-hq/cockpit: affected < 2.6.3; fixed in 2.6.3

## Suggested inspection (read-only)
- Packagist cockpit-hq/cockpit: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on cockpit-hq/cockpit.
- 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://github.com/advisories/GHSA-w3qm-93vf-5hrw (GitHub-reviewed advisory GHSA-w3qm-93vf-5hrw lists affected ranges: Packagist cockpit-hq/cockpit >=0 <2.6.3)

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