{
  "schema_version": "1.4.0",
  "id": "GHSA-grjp-4jmr-mjcw",
  "modified": "2022-09-30T04:42:55Z",
  "published": "2022-09-27T00:00:22Z",
  "aliases": [
    "CVE-2022-21169"
  ],
  "summary": "express-xss-sanitizer vulnerable to Prototype Pollution via allowedTags attribute",
  "details": "The package express-xss-sanitizer before 1.1.3 is vulnerable to Prototype Pollution via the `allowedTags` attribute, allowing the attacker to bypass xss sanitization.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "express-xss-sanitizer"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21169"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/AhmedAdelFahim/express-xss-sanitizer"
    },
    {
      "type": "WEB",
      "url": "https://runkit.com/embed/w306l6zfm7tu"
    },
    {
      "type": "WEB",
      "url": "https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2022-09-30T04:42:55Z",
    "nvd_published_at": "2022-09-26T05:15:00Z"
  }
}