CVE-2026-58520

UrlShortener defaults to ineffective validation open to third-party redirects

State
Published
Severity
6.9 Medium
Published
Jul 1, 2026
Updated
Jul 1, 2026
Reserved
Jul 1, 2026

Read the record on cve.org

Description

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing.

This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:Lwikimedia-foundation

Weaknesses

  • CWE-601 URL redirection to untrusted site ('open redirect')

Affected Products

ProductVersions
Mediawiki - UrlShortener ExtensionThe Wikimedia Foundation
  • before 1.43.9, 1.44.6, 1.45.4Affected

References

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