{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "35"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.3.7"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "941a66dc1383997019ae80af87dea57dc4bd9c49"
            }
          ],
          "repo": "https://github.com/wikimedia/mediawiki",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).",
  "id": "CVE-2021-45473",
  "modified": "2026-03-13T21:52:23.518086462Z",
  "published": "2021-12-24T02:15:07.407Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/"
    },
    {
      "type": "ADVISORY",
      "url": "https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8d"
    },
    {
      "type": "EVIDENCE",
      "url": "https://phabricator.wikimedia.org/T294693"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}