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Vulnerability Database

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A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

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A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. Risk increases sharply when exploitation becomes reliable or widespread.

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Q: How do we prioritize remediation without burning out the team?

Use a repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress so remediation is steady, not reactive.

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383,371

Total vulnerabilities in the database

CVE-2026-56828 — shopper / framework

Improper Authorization

Summary

Three Livewire admin components in shopper/framework (latest master at commit fcd0c59, released as v2.8.0) gate state-mutating actions on the read-only view_users permission. This is the same class as the issue Shopper fixed in v2.8.0 / PR #511 / GHSA-f946-9qp6-vgch — the PR moved most write actions from view_users to access_setting, but three were missed (one of them is a brand-new file added by the security commit itself).

A staff user holding only view_users + access_dashboard (a realistic "support" or "viewer" role per Shopper's own PermissionsTableSeeder) can: (1) self-escalate by granting any permission to their own role; (2) create a brand-new admin team member with a chosen password and the admin role and then log in as that user; (3) delete arbitrary permissions rows (RBAC DoS) or — when can_be_removed=true — delete entire roles.

CVSS 3.1: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H = 8.8 (High). CWE-285 (Improper Authorization) + CWE-862 (Missing Authorization).

Vulnerable components (paths relative to repo root)

1) `packages/admin/src/Livewire/Components/Settings/Team/Permissions.php`

togglePermission(int $id) at line 28 calls $this->authorize('view_users');
removePermission(int $id) at line 55 calls $this->authorize('view_users');

The Permissions blade at packages/admin/resources/views/livewire/components/settings/team/permissions.blade.php line 34 emits every permission's id directly in wire:click handlers, so the attacker does not even need to guess IDs — the page itself enumerates them.

Net effect: any user who can mount the Permissions component (gated on view_users) can grant any permission row to the bound $role. Granting access_setting to the attacker's own role unlocks every action that PR #511 supposedly hardened with ->authorize('access_setting'). Granting delete_customers, edit_orders, edit_products, add_brands, etc. is direct data-modification escalation.

2) `packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php`

mount() at line 53 calls $this->authorize('view_users');
store() at line 122 calls $this->authorize('view_users');

This file is new file mode 100755 in commit fcd0c59 — it was created as part of the security fix and inherited the same misclassified gate.

store() creates a User with email_verified_at = now(), the attacker's chosen password, and any selected role_id. The Radio::make('role_id') options filter only excludes config('shopper.admin.roles.user'), so the admin role is selectable. Log out, log in as the new account → full admin.

3) `packages/admin/src/Livewire/Pages/Settings/Team/RolePermission.php`

deleteAction at lines 81-90: only gated by ->visible($this->role->can_be_removed), with no ->authorize() chain.

Page-level mount (line 52) requires only view_users. For any role with can_be_removed = true, a view_users-only user can call the action and delete the role (cascading the loss of permissions for every assigned user).

Self-confirmation in the project's own test suite

The following tests are green on master @ fcd0c59 — they ARE the PoC:

tests/Admin/Livewire/Components/Settings/Team/PermissionsTest.php
  line 14-16: `givePermissionTo(&#039;view_users&#039;)` only
  line 36-45: &quot;can toggle permission to role&quot; — passes
  line 74-85: &quot;can remove permission&quot; — passes

tests/Admin/Livewire/SlideOvers/CreateTeamMemberTest.php
  line 16-18: `givePermissionTo(&#039;view_users&#039;)` only
  line 29-56: &quot;can create new team member&quot; — passes, asserts the new user `hasRole(&#039;manager&#039;)`

A view_users-only Livewire user actor successfully toggles permissions, removes permissions, and creates a new privileged user — verified by Shopper's own regression tests.

Suggested fix

Change $this->authorize('view_users') to $this->authorize('access_setting') in:

Permissions::togglePermission
Permissions::removePermission
Permissions::mount (defence in depth, matches Team\Index)
CreateTeamMember::mount
CreateTeamMember::store

Add ->authorize('access_setting') to RolePermission::deleteAction (matches the pattern already applied to generatePermissionsAction, createPermissionAction, and Team\Index::DeleteAction).

Update the two regression tests to use access_setting instead of view_users so they accurately reflect the privilege boundary.

Resources

Prior advisory of the same class: https://github.com/shopperlabs/shopper/security/advisories/GHSA-f946-9qp6-vgch
Fix commit that introduced these residual gaps: https://github.com/shopperlabs/shopper/commit/fcd0c5920588702df5b874f432b1042abd77a50b
CWE-285 Improper Authorization
CWE-862 Missing Authorization

Credits

Reported by Vishal Shukla(@shukla304) using sechub.dev AI Agent

Support

If this disclosure was useful and if users would like to support continued open-source security research and responsible-disclosure work, they can sponsor at https://github.com/sponsors/therawdev — Shoppers thanks those who keeping open source safe.

Published: Sep 11, 2026
Updated: Sep 12, 2026
CVE: CVE-2026-56828
GHSA: GHSA-j328-xmgp-j4q3
Severity: High
Exploit:
CISA KEV:

CVSS v3:

Severity: High
Score: 8.8
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWEs:

OWASP TOP 10:

A5 - Broken Access Control

Affected Software
References

Software	Affected versions
shopper / framework	`>= 2.8.0, < 2.9.2`

https://github.com/shopperlabs/shopper/security/advisories/GHSA-j328-xmgp-j4q3

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Frequently Asked Questions

What is a Vulnerability (CVE) and why does it matter?

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.