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CVE-2026-84992 md-editor-v3: XSS via fenced-code language rendering bypass

🗓️ 18 Sep 2026 17:10:08Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 6 Views

md-editor-v3 is a Markdown editor for Vue 3 developed in JSX and TypeScript. Prior to 6.5.4, MdPreview's useMarkdownIt() highlight callback in packages/MdEditor/layouts/Content/composition/useMarkdownIt.ts inserts a fenced-code language value into...

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18 Sep 2026 17:10Current
CVSS 3.16.1
EPSS0.0023
SSVC
6