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1 vulnerability by markdown-it-highlightjs_project
CVE-2020-7773 (GCVE-0-2020-7773)
Vulnerability from cvelistv5 – Published: 2020-11-16 12:00 – Updated: 2024-09-16 22:09
VLAI
Title
Cross-site Scripting (XSS)
Summary
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. 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);
Severity
CWE
- Cross-site Scripting (XSS)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJ… | x_refsource_MISC |
| https://github.com/valeriangalliat/markdown-it-hi… | x_refsource_MISC |
| https://github.com/valeriangalliat/markdown-it-hi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | markdown-it-highlightjs |
Affected:
unspecified , < 3.3.1
(custom)
|
Date Public
2020-11-16 00:00
Credits
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"url": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461"
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"url": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14"
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"url": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52"
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"vendor": "n/a",
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"credits": [
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"datePublic": "2020-11-16T00:00:00.000Z",
"descriptions": [
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"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"exploitCodeMaturity": "PROOF_OF_CONCEPT",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 5.9,
"temporalSeverity": "MEDIUM",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
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"problemTypes": [
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"dateUpdated": "2020-11-16T12:00:24.000Z",
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"references": [
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"url": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461"
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"url": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14"
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{
"tags": [
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"url": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52"
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],
"title": "Cross-site Scripting (XSS)",
"x_legacyV4Record": {
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"affects": {
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"credit": [
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"description": {
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"value": "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. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require(\u0027markdown-it\u0027); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render(\u0027console.log(42){.\"\u003ejs}\u0027); console.log(reuslt_xss);"
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"references": {
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"datePublished": "2020-11-16T12:00:24.377Z",
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