GHSA-qj3f-9gmq-fwv5MediumCVSS 6.1
Cross-Site Scripting in simple-markdown
🔗 CVE IDs covered (1)
📋 Description
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.
🎯 Affected products1
- npm/simple-markdown:< 0.4.4
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2019-9844
- https://github.com/Khan/simple-markdown/pull/63
- https://github.com/advisories/GHSA-qj3f-9gmq-fwv5
- https://www.npmjs.com/advisories/815
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JFLP3KJVSV5VWMNEBRXLGRVYFXOV5KOG/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/KZG2I7VH7WLSEUQ77KYP5CRAVFT2RK2U/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/O5EFW655O3BXZYAPB65XEREXB2DSNSOT/
- https://www.npmjs.com/package/simple-markdown/v/0.4.4