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 code block executes attacker-controlled cod...

CVE-2026-49493

Markdown Preview Enhanced prior to 0.8.28 runs Bitfield fenced code blocks containing interpretJS(), which evaluates code via vm.runInNewContext(), enabling arbitrary server-side code execution when rendering or exporting a document. The issue’s root cause is that Bitfield definitions were treate...

CVE-2022-46175

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The vulnerability of the parse method in the json5 package manager library in NPM allows a hacker to trigger a service failure.

The vulnerability of the parse method in the json5 package manager library from NPM is related to uncontrolled changes to prototype attributes of objects. Exploiting this vulnerability could allow a malicious actor to cause service failures...

PT-2022-7147

Name of the Vulnerable Software and Affected Versions json5 versions 1.0.1 and earlier json5 versions 2.2.1 and earlier Description The parse method of the json5 library does not restrict parsing of keys named proto , allowing specially crafted strings to pollute the prototype of the resulting...