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Product · shd101wyy

Markdown Preview Enhanced

4 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.1
    CVE-2026-11422

    Markdown Preview Enhanced 0.8.x Code Injection via WaveDrom Rendering

    Markdown Preview Enhanced 0.8.x with crossnote engine 0.9.28 contains a code injection vulnerability in the WaveDrom rendering pipeline that allows attackers to execute arbitrary JavaScript by embedding malicious content in a wavedrom fenced code block within…

    shd101wyy Markdown Preview Enhanced crossnote
  • High 8.8
    CVE-2026-50733

    Markdown Preview Enhanced Arbitrary Code Execution via WaveDrom eval()

    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…

    shd101wyy Markdown Preview Enhanced
  • High 8.8
    CVE-2026-49492 Public exploit

    Markdown Preview Enhanced OS Command Injection in External File and Link Opening

    Markdown Preview Enhanced before 0.8.28 opens external files and links from the preview through a shell and does not validate untrusted inputs taken from the markdown document - the diagram filename attribute, imported file paths, and the latex_engine code-ch…

    shd101wyy Markdown Preview Enhanced
  • High 8.8
    CVE-2026-49493

    Markdown Preview Enhanced Arbitrary Code Execution via Bitfield interpretJS()

    Markdown Preview Enhanced before 0.8.28 parses Bitfield fenced code blocks with interpretJS(), which evaluates the block content as code via vm.runInNewContext(), allowing arbitrary code execution. A crafted markdown document containing a malicious bitfield c…

    shd101wyy Markdown Preview Enhanced