Shopper: Media sub-form store() still lacks authorization (Incomplete fix for GHSA-h4mp-g9c6-xwph)

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

6.5 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

• CVE-2026-56830: 0.39% estimated exploitation activity in the next 30 days; percentile 33.02 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Title Missing authorization on Media sub-form store action allows unpermissioned product media update Description A lack of authorization control on the store() method was found in packages/admin/src/Livewire/Components/Products/Form/Media.php. The security fix released for GHSA-h4mp-g9c6-xwph added #[Locked] to the $product property in this file but did not add an authorize() call to store(). The commit message for that fix (fcd0c59) explicitly names the five repaired sub-form components: Edit, Inventory, Seo, Shipping, Files. Media is absent from that list and absent from the published advisory. As a result, any authenticated admin-panel session, including a staff user holding only browseproducts, can invoke store() on this component to replace the thumbnail and gallery images for any product without holding editproducts. Because $product is now #[Locked], the attacker cannot redirect the write to an arbitrary product from the client side, but the permission gate is still absent,…

Published by the source

11 Sep 2026, 21:30 UTC

Last modified by the source

11 Sep 2026, 21:45 UTC

Source last checked

26 Oct 2026, 14:53 UTC

1. Revision 2 · amended · 26 Oct 2026

   Amended from ghsa record GHSA-99h5-jhh7-v3r3

2. Revision 1 · created · 24 Oct 2026

   Published from osv record GHSA-99h5-jhh7-v3r3

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# Patch Next advisory brief: CVE-2026-56830

Advisory: Shopper: Media sub-form store() still lacks authorization (Incomplete fix for GHSA-h4mp-g9c6-xwph)
IDs: CVE-2026-56830, GHSA-99h5-jhh7-v3r3
Record: https://patchnext.com/advisories/cve-2026-56830 (revision 2, source checked 26 Oct 2026, 14:53 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: shopper/framework 2.9.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist shopper/framework: affected < 2.9.2; fixed in 2.9.2

## Suggested inspection (read-only)
- Packagist shopper/framework: 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 shopper/framework.
- 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-99h5-jhh7-v3r3 (OSV record GHSA-99h5-jhh7-v3r3 lists affected ranges: Packagist shopper/framework >=0 <2.9.2 (fixed))
- Verified: https://github.com/advisories/GHSA-99h5-jhh7-v3r3 (GitHub-reviewed advisory GHSA-99h5-jhh7-v3r3 lists affected ranges: Packagist shopper/framework >=0 <2.9.2)

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