@nuxtjs/mdc's URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the def...
High-risk advisory
CVE-2026-63671
Summary
@nuxtjs/mdc's URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration
Why it matters
GitHub has published a reviewed security advisory for @nuxtjs/mdc. Prioritize it with other application dependency updates.
Operator check
Check whether @nuxtjs/mdc is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.