CVE-2026-8678 Details
Description
The MyParcel plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.25.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to view and modify shipment options — including carrier, delivery type, package type, number of labels, weight, signature requirement, and insurance — on any arbitrary order.
A vulnerability exists in the MyParcel plugin for WordPress, specifically in versions through 4.25.1, allowing authorization bypass. The plugin fails to properly verify user authorization, enabling authenticated users with subscriber-level access and above to view and modify shipment options on any order. This includes changes to the carrier, delivery type, package type, number of labels, weight, signature requirement, and insurance.
Users are advised to update the MyParcel WordPress plugin to version 4.25.2 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 11, 2026CISA-ADP
Assessed Jul 13, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| MyParcel | <= 4.25.1 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 13, 2026 | CVE Modified | CISA-ADP |
| Jul 11, 2026 | New CVE Received | [email protected] |