What is GHSA-ccrp-c664-8p4j?

GHSA-ccrp-c664-8p4j is a security advisory published by GitHub Security Advisories with High severity. Cross-Site Scripting in markdown-to-jsx

Why does GHSA-ccrp-c664-8p4j have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

Which products are affected by GHSA-ccrp-c664-8p4j?

GHSA-ccrp-c664-8p4j affects 1 product, including: npm/markdown-to-jsx:\u003c 6.11.4.

GHSA-ccrp-c664-8p4jHighDisclosed before NVD

Cross-Site Scripting in markdown-to-jsx

Vendor

GitHub Security Advisories

Published

September 3, 2020

Last Modified

January 9, 2023

📋 Description

Versions of markdown-to-jsx prior to 6.11.4 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 6.11.4 or later.

🎯 Affected products1

npm/markdown-to-jsx:< 6.11.4

🔗 References (3)

https://github.com/probablyup/markdown-to-jsx/pull/307
https://www.npmjs.com/advisories/1219
https://github.com/advisories/GHSA-ccrp-c664-8p4j