{
  "schema_version": "1.4.0",
  "id": "GHSA-63f2-6959-2pxj",
  "modified": "2023-04-07T21:09:25Z",
  "published": "2023-03-31T12:30:16Z",
  "aliases": [
    "CVE-2023-1776"
  ],
  "summary": "Mattermost vulnerable to cross-site scripting (XSS)",
  "details": "Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file. \n\n[Issue Identifier](https://mattermost.com/security-updates/): MMSA-2023-00139",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "7.1.6"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 6.7.2"
      }
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "7.7.0"
            },
            {
              "fixed": "7.7.2"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 7.7.1"
      }
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.1.6"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 7.1.5"
      }
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "7.8.0"
            },
            {
              "fixed": "7.8.1"
            }
          ]
        }
      ],
      "versions": [
        "7.8.0"
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v5"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "7.1.6"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 5.39.3"
      }
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "3.3.0"
            },
            {
              "fixed": "7.1.6"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 4.10.10"
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1776"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost-server"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2023-04-07T21:09:25Z",
    "nvd_published_at": "2023-03-31T12:15:00Z"
  }
}