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High, CVSS 8.7amended

Vendure has stored XSS in the Admin Dashboard via unsafe HTML-stripping (innerHTML) of entity descriptions

CVE-2026-63459GHSA-xhq9-whgq-49j5

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (@vendure/dashboard 3.6.5), 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
8.7 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS
  • CVE-2026-63459: 0.42% estimated exploitation activity in the next 30 days; percentile 35.97 (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.

Stored XSS in the Admin Dashboard via unsafe HTML-stripping (innerHTML) of entity descriptions Package: @vendure/dashboard (vendure-ecommerce/vendure, latest master) · Summary The dashboard's RichTextDescriptionCell "strips HTML" from an entity's description by assigning it to a live element's innerHTML and reading back textContent. This pattern still executes active markup: a description containing <img src=x onerror=… runs script when the element is parsed (image resource loads even on a detached node in Chromium/Firefox, firing onerror). Because description is an admin-settable field shown in multiple list views, a lower-privilege administrator can store a payload that executes in a higher-privilege administrator's browser when they open the corresponding list — stored XSS leading to admin-session compromise. Vulnerable code packages/dashboard/src/lib/components/shared/table-cell/order-table-cell-components.tsx innerHTML does not run <script, but it does trigger resource loads /…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-xhq9-whgq-49j5

  2. Revision 2 · amended ·

    Amended from osv record GHSA-xhq9-whgq-49j5

  3. Revision 1 · created ·

    Published from ghsa record GHSA-xhq9-whgq-49j5

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-2026-63459

Advisory: Vendure has stored XSS in the Admin Dashboard via unsafe HTML-stripping (innerHTML) of entity descriptions
IDs: CVE-2026-63459, GHSA-xhq9-whgq-49j5
Record: https://patchnext.com/advisories/cve-2026-63459 (revision 3, source checked 26 Oct 2026, 13:02 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.7)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: @vendure/dashboard 3.6.5. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm @vendure/dashboard: affected < 3.6.5; fixed in 3.6.5

## Suggested inspection (read-only)
- `npm ls @vendure/dashboard --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## 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 @vendure/dashboard.
- 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-xhq9-whgq-49j5 (GitHub-reviewed advisory GHSA-xhq9-whgq-49j5 lists affected ranges: npm @vendure/dashboard >=0 <3.6.5)
- Verified: https://osv.dev/vulnerability/GHSA-xhq9-whgq-49j5 (OSV record GHSA-xhq9-whgq-49j5 lists affected ranges: npm @vendure/dashboard >=0 <3.6.5 (fixed))

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