{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.43.0"
              },
              {
                "fixed": "1.43.9"
              },
              {
                "introduced": "1.44.0"
              },
              {
                "fixed": "1.44.6"
              },
              {
                "introduced": "1.45.0"
              },
              {
                "fixed": "1.45.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "8216997ffcc956a610635f07044fb9a3b5dda9d9"
            },
            {
              "fixed": "50755a861e6e748cf8bac24e8cdd5e83db018081"
            },
            {
              "introduced": "858ee255edbe0da2ff8152df403cac2dba2c9948"
            },
            {
              "fixed": "a36f3bc851a8ae3377ee5602b7e2a355d59e7b0e"
            },
            {
              "introduced": "99b4a221a98c0ac1531c3f4e31248562833dbc82"
            },
            {
              "fixed": "ea7980d473268e0ef28c64328a1325f8f4e414b6"
            }
          ],
          "repo": "https://github.com/wikimedia/mediawiki",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing.\n\nThis issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.",
  "id": "CVE-2026-58520",
  "modified": "2026-07-11T03:53:37.958711179Z",
  "published": "2026-07-01T18:16:35.983Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5"
    },
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T418431"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}