{"action":"Upgrade @nuxtjs/mdc to 0.22.1 or later.","affected":[{"fixed":"0.22.1","introduced":"0"}],"component":"@nuxtjs/mdc","cve_ids":["CVE-2026-63671"],"ecosystem":"npm","epss":0.00474,"exploited":false,"fixed_versions":["0.22.1"],"ghsa_id":"GHSA-mxm6-v9r6-r94c","id":"tcs_01M5KG22XSJRFCCJP5BBCFJR81","modified_at":"2026-09-16T22:30:08.107441971Z","published_at":"2026-09-16T22:14:01Z","references":["https://osv.dev/vulnerability/GHSA-mxm6-v9r6-r94c","https://github.com/nuxt-content/mdc/security/advisories/GHSA-mxm6-v9r6-r94c","https://nvd.nist.gov/vuln/detail/CVE-2026-63671","https://github.com/nuxt-content/mdc/pull/491","https://github.com/nuxt-content/mdc/commit/61d636c2983f021288e4fc5c4006733b38cf0d53","https://github.com/nuxt-content/mdc","https://github.com/nuxt-content/mdc/releases/tag/v0.22.1"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-mxm6-v9r6-r94c","url":"https://osv.dev/vulnerability/GHSA-mxm6-v9r6-r94c"}],"summary":"@nuxtjs/mdc's URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration"}