Nuxt MDC has an XSS vulnerability in markdown rendering that bypasses HTML filtering

Description

A remote script-inclusion / stored XSS vulnerability in @nuxtjs/mdc lets a Markdown author inject a <base href="https://attacker.tld"> element.

Recommendation

Update the @nuxtjs/mdc package to the latest compatible version. Followings are version details:

• Affected version(s): < 0.17.2
• Patched version(s): 0.17.2

References

• GHSA-cj6r-rrr9-fg82
• CVE-2025-54075
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Devalue is vulnerable to denial of service due to memory exhaustion in devalue.parse - CVE-2026-22774
• pdfmake is vulnerable to Throttling via repeatedly redirecting URL in file embedding - CVE-2025-11362
• http-proxy-middleware allows fixRequestBody to proceed even if bodyParser has failed - CVE-2025-32997
• Improper Verification of Cryptographic Signature in node-forge (GHSA-cfm4-qjh2-4765) - CVE-2022-24771

Tags:

npm

@nuxtjs/mdc