CVE-2021-20735

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.

• CWE-79

• https://jvn.jp/en/jp/JVN79254445/index.htmlThird Party Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5087Vendor Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5088Vendor Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5089Vendor Advisory
• https://jvn.jp/en/jp/JVN79254445/index.htmlThird Party Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5087Vendor Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5088Vendor Advisory
• https://www.ec-cube.net/release/detail.php?release_id=5089Vendor Advisory

Published

Jun 22, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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