Marked vulnerable to XSS from data URIs

Description

marked version 0.3.6 and earlier is vulnerable to an XSS attack in the data: URI parser.

Recommendation

Update the marked package to the latest compatible version. Followings are version details:

• Affected version(s): < 0.3.7
• Patched version(s): 0.3.7

References

• GHSA-7px7-7xjx-hxm8
• lists.fedoraproject.org
• snyk.io
• CVE-2017-1000427
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• mde ejs vulnerable to XSS - CVE-2017-1000188
• Nuxt DevTools vulnerable to cross-site scripting (XSS) - CVE-2025-52662
• Moderate severity vulnerability that affects marked - CVE-2017-17461
• @pdfme/common vulnerable to to XSS and Prototype Pollution through its expression evaluation - CVE-2025-53626

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Tags:

npm

marked