Cross-Site Scripting in @toast-ui/editor

Description

Versions of @toast-ui/editor prior to 2.2.0 are vulnerable to Cross-Site Scripting (XSS). There are multiple bypasses to the package’s built-in XSS sanitization. This may allow attackers to execute arbitrary JavaScript on a victim’s browser.

Recommendation

Update the @toast-ui/editor package to the latest compatible version. Followings are version details:

• Affected version(s): < 2.2.0
• Patched version(s): 2.2.0

References

• GHSA-cr56-66mx-293v
• www.npmjs.com
• CWE-79
• OWASP 2021-A3

Related Issues

• tarteaucitron Cross-site Scripting (XSS) - CVE-2025-1467
• Cross site scripting in markdown-to-jsx - CVE-2024-21535
• uPlot Prototype Pollution vulnerability - CVE-2024-21489
• FUXA local file inclusion vulnerability - CVE-2023-31718

Tags:

npm

@toast-ui/editor