CVE-2026-107789: CWE-639 Authorization Bypass Through User-Controlled Key in SmartyParcel
Description
The SmartyParcel WordPress plugin before 1.23.4 does not perform authorisation checks when serving shipping label downloads, allowing unauthenticated users to obtain the shipping labels of arbitrary orders, which contain customer names, addresses and phone numbers.
CVSS v3.1
Score 5.3medium
Affected software
SmartyParcel
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-107789 is an authorization bypass vulnerability in the SmartyParcel WordPress plugin prior to version 1.23.4. The plugin fails to perform proper authorization checks when serving shipping label downloads, enabling unauthenticated attackers to access shipping labels of any order. This exposure leaks personally identifiable information including customer names, addresses, and phone numbers.
Potential Impact
Unauthenticated users can obtain shipping labels for arbitrary orders, leading to disclosure of sensitive customer data such as names, addresses, and phone numbers. This can result in privacy violations and potential misuse of customer information.
Mitigation Recommendations
Upgrade SmartyParcel to version 1.23.4 or later, where authorization checks for shipping label downloads are properly implemented. No other mitigation guidance is provided, and patch status is implied by the fixed version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-10-08T20:31:39.953Z
- State
- PUBLISHED
Threat ID: 6ad855da2cdf04f656afe414
Added to database: 10/21/2026, 06:04:10 UTC
Last enriched: 10/21/2026, 06:34:17 UTC
Last updated: 10/21/2026, 13:40:20 UTC
Views: 5
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