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CVE-2026-58520 UrlShortener defaults to ineffective validation open to third-party redirects

🗓️ 01 Jul 2026 17:14:06Reported by wikimedia-foundationType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Mediawiki UrlShortener allows open redirects and cross-site flashing; affected versions before 1.43.9, 1.44.6, 1.45.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-58520
1 Jul 202617:14
attackerkb
CVE
CVE-2026-58520
1 Jul 202617:14
cve
EUVD
EUVD-2026-41099
1 Jul 202617:14
euvd
NVD
CVE-2026-58520
1 Jul 202618:16
nvd
Vulnrichment
CVE-2026-58520 UrlShortener defaults to ineffective validation open to third-party redirects
1 Jul 202617:14
vulnrichment
[
  {
    "vendor": "The Wikimedia Foundation",
    "product": "Mediawiki - UrlShortener Extension",
    "versions": [
      {
        "status": "affected",
        "version": "*",
        "lessThan": "1.43.9, 1.44.6, 1.45.4",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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