@nuxtjs/mdc's URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration

Summary @nuxtjs/mdc renders untrusted markdown including raw HTML to a Vue component tree. Across two prior advisories it added a URL/attribute sanitizer to block dangerous links in that HTML: validateProps / validateProp and an unsafeLinkPrefix deny-list dist/runtime/parser/utils/props.js. The...

CVE-2026-63671

MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to 0.22.1, @nuxtjs/mdc uses parseMarkdown with allowDangerousHtml enabled by default and relies on validateProps, validateProp, and unsafeLinkPrefix to remove executable URLs from untrusted...

EUVD-2026-80789

MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to 0.22.1, @nuxtjs/mdc uses parseMarkdown with allowDangerousHtml enabled by default and relies on validateProps, validateProp, and unsafeLinkPrefix to remove executable URLs from untrusted...

CVE-2026-63671

@nuxtjs/mdc prior to 0.22.1 contains two gaps in its default URL sanitizer that enable cross-site scripting (XSS) from untrusted Markdown. First, validateProp checks only attributes named href or src, so an SVG xlink:href value (represented as xLinkHref) retains a javascript: URL that executes in...

CVE-2026-63671 @nuxtjs/mdc: the URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration

MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to 0.22.1, @nuxtjs/mdc uses parseMarkdown with allowDangerousHtml enabled by default and relies on validateProps, validateProp, and unsafeLinkPrefix to remove executable URLs from untrusted...

CVE-2026-63671 @nuxtjs/mdc: the URL sanitizer misses SVG xlink:href and data:text/html, allowing XSS from untrusted markdown at the default configuration

MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to 0.22.1, @nuxtjs/mdc uses parseMarkdown with allowDangerousHtml enabled by default and relies on validateProps, validateProp, and unsafeLinkPrefix to remove executable URLs from untrusted...

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--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0b3531082acc33005105cb670ecb9ad95d910561eb968cd85dccd4a71b29b32d This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...

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--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 06d5b29631fb2bda9c539656ce905f027cf1e1e09824995f998eb35c2ef8fde2 This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...

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--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d44184ccb146fc77b323b6e19c51c70a173fe426776802cee54b2452ea63418f This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...

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--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d1b43759d17c66985697b3c9e19ac0173377814fe579478b446243f3da452a55 This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...

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--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f4b011db95a7eefc14dc52ac07963321debbf596a0cb901153713ef86d2f4e28 This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...