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CVE-2020-15156

Estado: ModificadaAlta (8.1)—

In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Nodebb — Blog Comments

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-15156",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.6
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "psychobunny",
          "product": "nodebb-plugin-blog-comments",
          "versions": [
            {
              "status": "affected",
              "version": "< 0.7.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-08-26T19:15:14.377",
  "references": [
    {
      "url": "https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://www.npmjs.com/package/nodebb-plugin-blog-comments",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.npmjs.com/package/nodebb-plugin-blog-comments",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation."
    },
    {
      "lang": "es",
      "value": "En nodebb-plugin-blog-comments versiones anteriores a 0.7.0, un usuario registrado es vulnerable a un ataque de tipo XSS que podría permitir a un tercero publicar en su nombre en el foro. Esto es debido a una falta de comprobación de CSRF"
    }
  ],
  "lastModified": "2026-06-17T02:56:09.727",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nodebb:blog_comments:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "46F96843-0FDB-4AD7-9E41-839A1EA503EF",
              "versionEndExcluding": "0.7.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}