Cross-Site Scripting in eco

Description

All versions of eco are vulnerable to Cross-Site Scripting (XSS). The package’s default __escape implementation fails to escape single quotes, which may allow attackers to execute arbitrary JavaScript on the victim’s browser.

Recommendation

No fix is available yet. Followings are affected versions:

• >= 0.0.0

References

• GHSA-r32x-jhw5-g48p
• www.npmjs.com
• CWE-79
• OWASP 2021-A3

Related Issues

• Cross-Site Scripting in buefy - Vulnerability
• html2pdf.js contains a cross-site scripting vulnerability - CVE-2026-22787
• CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package - CVE-2025-58064
• QMarkdown Cross-Site Scripting (XSS) vulnerability - CVE-2025-43954

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

eco