CVE-2020-7773 – markdown-it-highlightjs

Package

Manager: npm
Name: markdown-it-highlightjs
Vulnerable Version: >=0 <3.3.1

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00367 pctl0.57874

Details

Cross-site Scripting in markdown-it-highlightjs This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. ```js const markdownItHighlightjs = require("markdown-it-highlightjs"); const md = require('markdown-it'); const reuslt_xss = md().use(markdownItHighlightjs, { inline: true }).render('console.log(42){.">js}'); console.log(reuslt_xss); ```

Metadata

Created: 2022-02-10T20:19:47Z
Modified: 2023-09-05T22:52:01Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-f246-xrrj-g8j6/GHSA-f246-xrrj-g8j6.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-f246-xrrj-g8j6
Finding: F008
Auto approve: 1