GSD-2023-7113

Vulnerability from gsd - Updated: 2023-12-27 06:01
Details
Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.
Aliases
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-7113"
      ],
      "details": "Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.\n\n",
      "id": "GSD-2023-7113",
      "modified": "2023-12-27T06:01:18.998501Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "responsibledisclosure@mattermost.com",
        "ID": "CVE-2023-7113",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mattermost",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unaffected",
                            "versions": [
                              {
                                "lessThanOrEqual": "8.1.6",
                                "status": "affected",
                                "version": "0",
                                "versionType": "semver"
                              },
                              {
                                "lessThanOrEqual": "9.2.0",
                                "status": "affected",
                                "version": "0",
                                "versionType": "semver"
                              },
                              {
                                "status": "unaffected",
                                "version": "8.1.7"
                              },
                              {
                                "status": "unaffected",
                                "version": "9.2.0"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mattermost"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Juho Nurminen"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-79",
                "lang": "eng",
                "value": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://mattermost.com/security-updates",
            "refsource": "MISC",
            "url": "https://mattermost.com/security-updates"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUpdate Mattermost Server to versions 8.1.7, 9.2.0 or higher.\u003c/p\u003e"
            }
          ],
          "value": "Update Mattermost Server to versions 8.1.7, 9.2.0 or higher.\n\n"
        }
      ],
      "source": {
        "advisory": "MMSA-2023-00266",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-53187"
        ],
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "cve": {
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                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
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                    "versionEndExcluding": "8.1.7",
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                "operator": "OR"
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.\n\n"
          },
          {
            "lang": "es",
            "value": "La versi\u00f3n 8.1.6 y anteriores de Mattermost no sanitizan los datos de menciones del canal en las publicaciones, lo que permite a un atacante inyectar marcas en el cliente web."
          }
        ],
        "id": "CVE-2023-7113",
        "lastModified": "2024-01-05T04:56:58.503",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
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                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
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              "impactScore": 2.5,
              "source": "responsibledisclosure@mattermost.com",
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        "published": "2023-12-29T13:15:11.930",
        "references": [
          {
            "source": "responsibledisclosure@mattermost.com",
            "tags": [
              "Vendor Advisory"
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            "url": "https://mattermost.com/security-updates"
          }
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        "vulnStatus": "Analyzed",
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            "source": "responsibledisclosure@mattermost.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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