{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1"
            }
          ],
          "repo": "https://github.com/schine/mw-oauth2client",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In the OAuth2 Client extension before 0.4 for MediaWiki, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function.",
  "id": "CVE-2019-15150",
  "modified": "2026-03-14T13:51:33.475058997Z",
  "published": "2019-08-19T04:15:13.517Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/Schine/MW-OAuth2Client/releases/tag/v0.4"
    },
    {
      "type": "ADVISORY",
      "url": "https://seclists.org/bugtraq/2019/Aug/32"
    },
    {
      "type": "ADVISORY",
      "url": "http://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://seclists.org/fulldisclosure/2019/Aug/25"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2019/08/19/1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Schine/MW-OAuth2Client/commit/6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}