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GHSA-qj3f-9gmq-fwv5

Cross-Site Scripting in simple-markdown

Source: GitHub Advisory Database (reviewed) Moderate CVE-2019-9844

Packages

EcosystemPackageAffectedFixed in
npm simple-markdown < 0.4.4 0.4.4

Details

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

Versions of `simple-markdown` prior to 0.4.4 are vulnerable to Cross-Site Scripting. Due to insufficient input sanitization the package may render output containing malicious JavaScript. This vulnerability can be exploited through input of links containing `data` or VBScript URIs and a base64-encoded payload. ## Recommendation Upgrade to version 0.4.4 or later.

References

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