{
  "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": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "1.46.0-rc0"
          },
          {
            "last_affected": "1.46.0-rc0"
          }
        ],
        "source": "CPE_STRING",
        "vendor_product": "mediawiki:mediawiki"
      }
    ]
  },
  "details": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.\n\n This vulnerability is associated with program files includes/Language/Language.Php, includes/Logging/BlockLogFormatter.Php, includes/Logging/LogFormatter.Php, includes/Logging/PatrolLogFormatter.Php, includes/Logging/RenameuserLogFormatter.Php, includes/Logging/TagLogFormatter.Php, includes/Specials/SpecialVersion.Php.\n\n\n\nThis issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.",
  "id": "CVE-2026-58037",
  "modified": "2026-07-11T03:54:04.199628773Z",
  "published": "2026-07-01T16:16:51.063Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T422995"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}