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CVE-2025-61648 Stored XSS through system messages in CheckUser

🗓️ 03 Feb 2026 00:19:43Reported by wikimedia-foundationType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Stored cross site scripting in CheckUser system messages via ShowIPButton.Vue and SpecialBlock.Js, affecting versions before 1.44.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2025-61648
3 Feb 202600:19
attackerkb
CNNVD
Wikimedia CheckUser 安全漏洞
3 Feb 202600:00
cnnvd
CVE
CVE-2025-61648
3 Feb 202600:19
cve
EUVD
EUVD-2025-206640
3 Feb 202600:19
euvd
NVD
CVE-2025-61648
3 Feb 202601:15
nvd
OpenVAS
MediaWiki < 1.39.14, 1.40.x < 1.43.4, 1.44.x < 1.44.1 Multiple Vulnerabilities - Windows
14 Oct 202500:00
openvas
OpenVAS
MediaWiki < 1.39.14, 1.40.x < 1.43.4, 1.44.x < 1.44.1 Multiple Vulnerabilities - Linux
14 Oct 202500:00
openvas
Positive Technologies
PT-2026-5736
3 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2025-61648
4 Feb 202603:15
redhatcve
Vulnrichment
CVE-2025-61648 Stored XSS through system messages in CheckUser
3 Feb 202600:19
vulnrichment
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "CheckUser",
    "programFiles": [
      "modules/ext.checkUser.tempAccounts/components/ShowIPButton.vue",
      "modules/ext.checkUser.tempAccounts/SpecialBlock.js"
    ],
    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/CheckUser/+/refs/heads/master",
    "vendor": "Wikimedia Foundation",
    "versions": [
      {
        "lessThan": "1.44.1",
        "status": "affected",
        "version": "*",
        "versionType": "semver"
      }
    ]
  }
]

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03 Feb 2026 00:19Current
CVSS 40
EPSS0.00048
24