CVE-2021-4347

MEDIUM CVSS 3.1: 6.5 EPSS 0.65%
Updated Apr 08, 2026
Zorem
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions before 3.2.6
Type CWE-862 (Missing Authorization)
Vendor Zorem
Public PoC No

The function update_shipment_status_email_status_fun in the plugin Advanced Shipment Tracking for WooCommerce in versions up to 3.2.6 is vulnerable to authenticated arbitrary options update. The function allows attackers (including those at customer level) to update any WordPress option in the database. Version 3.2.5 was initially released as a fix, but doesn't fully address the issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Zorem Advanced_Shipment_Tracking_For_Woocommerce
cpe:2.3:a:zorem:advanced_shipment_tracking_for_woocommerce:*:*:*:*:*:wordpress:*:*
— <= 3.2.6