{
  "id": "CVE-2023-37255",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-06-29T16:15:10.043",
  "lastModified": "2023-07-06T18:45:01.657",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the \"get edits\" type is vulnerable to HTML injection through the User-Agent HTTP request header."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.39.3",
              "matchCriteriaId": "DEA20A42-6E1A-4DA2-8869-A49894256285"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://phabricator.wikimedia.org/T333569",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ]
    }
  ]
}