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CVE-2025-53480

🗓️ 08 Jul 2025 14:58:37Reported by wikimedia-foundationType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 11 Views

Vulnerability in CheckUser extension allows XSS via unescaped messages in Account info tab URL parameter.

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Affected
Refs
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[
  {
    "defaultStatus": "unaffected",
    "product": "Mediawiki - CheckUser extension",
    "vendor": "Wikimedia Foundation",
    "versions": [
      {
        "lessThan": "1.39.13",
        "status": "affected",
        "version": "1.39.x",
        "versionType": "semver"
      },
      {
        "lessThan": "1.42.7",
        "status": "affected",
        "version": "1.42.x",
        "versionType": "semver"
      },
      {
        "lessThan": "1.43.2",
        "status": "affected",
        "version": "1.43.x",
        "versionType": "semver"
      }
    ]
  }
]

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15 Apr 2026 00:35Current
6Medium risk
Vulners AI Score6
CVSS 3.15.4
EPSS0.00129
SSVC
11