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GHSA-66ww-999q-mffq

Arbitrary code execution in post-loader

Source: GitHub Advisory Database (reviewed) Critical CVE-2022-0748

Packages

EcosystemPackageAffectedFixed in
npm post-loader >= 0.0.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

post-loader is webpack loader for blog posts written in Markdown. The package post-loader from 0.0.0 is vulnerable to Arbitrary Code Execution which uses a markdown parser in an unsafe way so that any javascript code inside the markdown input files gets evaluated and executed. At this time, there is no known workaround or patch available.

References

External links from the advisory. They lead to third-party sites.