GoogleOSV:GHSA-QJ3F-9GMQ-FWV5Cross-Site Scripting in simple-markdown
EPSS
Percentile
51.0%
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
github.com/advisories/GHSA-qj3f-9gmq-fwv5
github.com/Khan/simple-markdown
github.com/Khan/simple-markdown/pull/63
lists.fedoraproject.org/archives/list/[email protected]/message/JFLP3KJVSV5VWMNEBRXLGRVYFXOV5KOG
lists.fedoraproject.org/archives/list/[email protected]/message/KZG2I7VH7WLSEUQ77KYP5CRAVFT2RK2U
lists.fedoraproject.org/archives/list/[email protected]/message/O5EFW655O3BXZYAPB65XEREXB2DSNSOT
nvd.nist.gov/vuln/detail/CVE-2019-9844
www.npmjs.com/advisories/815
www.npmjs.com/package/simple-markdown/v/0.4.4
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