Question 1

What is CVE-2026-58520 — CVE-2026-58520?

Accepted Answer

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.

Question 2

What is the authoritative source for CVE-2026-58520?

Accepted Answer

CVE-2026-58520 (CVE-2026-58520) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-58520CVE-2026-58520

Description

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