GHSA-WG96-3933-J2W5
Vulnerability from github – Published: 2018-11-09 17:45 – Updated: 2023-09-08 23:10Affected versions of sanitize-html are vulnerable to cross-site scripting.
Proof of Concept:
<IMG SRC= onmouseover="alert('XSS');">
produces the following:
<img src="onmouseover="alert('XSS');"" />
This is definitely invalid HTML, but would suggest that it's being interpreted incorrectly by the parser.
Recommendation
Update to version 1.2.3 or later.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "sanitize-html"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2017-16017"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T22:00:25Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "Affected versions of `sanitize-html` are vulnerable to cross-site scripting.\n\n## Proof of Concept:\n\n`\u003cIMG SRC= onmouseover=\"alert(\u0027XSS\u0027);\"\u003e`\nproduces the following:\n\n`\u003cimg src=\"onmouseover=\"alert(\u0027XSS\u0027);\"\" /\u003e`\nThis is definitely invalid HTML, but would suggest that it\u0027s being interpreted incorrectly by the parser.\n\n\n## Recommendation\n\nUpdate to version 1.2.3 or later.",
"id": "GHSA-wg96-3933-j2w5",
"modified": "2023-09-08T23:10:15Z",
"published": "2018-11-09T17:45:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-16017"
},
{
"type": "WEB",
"url": "https://github.com/punkave/sanitize-html/issues/19"
},
{
"type": "WEB",
"url": "https://github.com/punkave/sanitize-html/pull/20"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-wg96-3933-j2w5"
},
{
"type": "WEB",
"url": "https://www.npmjs.com/advisories/155"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Cross-Site Scripting in sanitize-html"
}
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