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Search Results (1 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-50733 2 Markdown Preview Enhanced Project, Shd101wyy 2 Markdown Preview Enhanced, Markdown Preview Enhanced 2026-06-05 8.8 High
Markdown Preview Enhanced before 0.8.28 parses WaveDrom diagrams by evaluating untrusted markdown content with eval(), allowing arbitrary JavaScript execution. The flaw affects every render path - the live preview (window.eval) and presentation mode plus HTML export (the bundled WaveDrom.ProcessAll()/eva() helpers) - and can also be triggered through a <script type="WaveDrom"> element injected via raw HTML in markdown. When a victim previews or exports a crafted markdown document, an attacker can execute arbitrary code, leading to arbitrary file write. Fixed in 0.8.28 by parsing with JSON5.parse() and sanitizing WaveDrom data scripts to inert strict JSON.