{
  "id": "CVE-2021-25987",
  "sourceIdentifier": "vulnerabilitylab@mend.io",
  "published": "2021-11-30T14:15:07.530",
  "lastModified": "2021-11-30T16:00:48.943",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hexo versions 0.0.1 to 5.4.0 are vulnerable against stored XSS. The post \u201cbody\u201d and \u201ctags\u201d don\u2019t sanitize malicious javascript during web page generation. Local unprivileged attacker can inject arbitrary code."
    },
    {
      "lang": "es",
      "value": "Hexo versiones 0.0.1 a 5.4.0, son vulnerables a un ataque de tipo XSS almacenado. Los post \"body\" y \"tags\" no sanean el javascript malicioso durante la generaci\u00f3n de la p\u00e1gina web. Un atacante local no privilegiado puede inyectar c\u00f3digo arbitrario"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 2.7
      },
      {
        "source": "vulnerabilitylab@mend.io",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 1.9
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "source": "vulnerabilitylab@mend.io",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:hexo:hexo:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "0.0.1",
              "versionEndIncluding": "5.4.0",
              "matchCriteriaId": "2C801F4C-6A2C-4D13-AF6C-9F0490FBEA8B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/hexojs/hexo/commit/5170df2d3fa9c69e855c4b7c2b084ebfd92d5200",
      "source": "vulnerabilitylab@mend.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25987",
      "source": "vulnerabilitylab@mend.io",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}