CVE-2021-20735: Ec-Cube Delivery Slip Number

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting vulnerability in ETUNA EC-CUBE plugins (Delivery slip number plugin (3.0 series) 1.0.10 and earlier, Delivery slip number csv bulk registration plugin (3.0 series) 1.0.8 and earlier, and Delivery slip number mail plugin (3.0 series) 1.0.8 and earlier) allows remote attackers to inject an arbitrary script by executing a specific operation on the management page of EC-CUBE.

Affected products

• Ec-Cube Delivery Slip Number: up to and including 1.0.10
• Ec-Cube Delivery Slip Number Csv Bulk Registration: up to and including 1.0.8
• Ec-Cube Delivery Slip Number Mail: up to and including 1.0.8

Published 2021-06-22. Last modified 2026-06-17.