MEDIUM6.1

GHSA-9g4f-5rpg-4948

NodeBB Cross-site Scripting Vulnerability in Markdown Processing

Quick fix

GHSA-9g4f-5rpg-4948 — nodebb: upgrade to the fixed version with the command below.

npm install nodebb@0.70

Details

Multiple cross-site scripting (XSS) vulnerabilities in NodeBB before 0.7 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) javascript: or (2) data: URLs.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/nodebb

Introduced in: 0Fixed in: 0.70

Fixnpm install nodebb@0.70

npm/nodebb-plugin-markdown

Introduced in: 0Fixed in: 5.1.1

Fixnpm install nodebb-plugin-markdown@5.1.1

References

https://nvd.nist.gov/vuln/detail/CVE-2015-3296[ADVISORY]
https://github.com/NodeBB/NodeBB/issues/2273[WEB]
https://github.com/NodeBB/nodebb-plugin-markdown/commit/ab7f2684750882f7baefbfa31db8d5aac71e6ec3[WEB]
https://github.com/markdown-it/markdown-it/commit/f76d3beb46abd121892a2e2e5c78376354c214e3[WEB]
https://web.archive.org/web/20200228230630/http://www.securityfocus.com/bid/71824[WEB]
http://www.openwall.com/lists/oss-security/2015/04/10/10[WEB]