{
  "id": "CVE-2021-38356",
  "sourceIdentifier": "security@wordfence.com",
  "published": "2021-11-01T21:15:07.680",
  "lastModified": "2021-11-02T19:52:50.427",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The NextScripts: Social Networks Auto-Poster <= 4.3.20 WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the $_REQUEST['page'] parameter which is echoed out on inc/nxs_class_snap.php by supplying the appropriate value 'nxssnap-post' to load the page in $_GET['page'] along with malicious JavaScript in $_POST['page']."
    },
    {
      "lang": "es",
      "value": "El plugin NextScripts: Social Networks Auto-Poster de WordPress versiones anteriores a 4.3.20 incluy\u00e9ndola, es vulnerable a  un ataque de tipo Cross-Site Scripting Reflejado por medio del par\u00e1metro $_REQUEST[\"page\"] que se hace eco en inc/nxs_class_snap.php al suministrar el valor apropiado \"nxssnap-post\" para cargar la p\u00e1gina en $_GET[\"page\"] junto con JavaScript malicioso en $_POST[\"page\"]"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security@wordfence.com",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security@wordfence.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextscripts:social_networks_auto_poster:*:*:*:*:*:wordpress:*:*",
              "versionEndIncluding": "4.3.20",
              "matchCriteriaId": "4CA5FA9D-4DA5-4C01-AFA1-053D3CC7659B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.wordfence.com/blog/2021/10/xss-vulnerability-in-nextscripts-social-networks-auto-poster-plugin-impacts-100000-sites/",
      "source": "security@wordfence.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}