CVE-2026-58520 | URL redirection to untrusted site ('open redirect') vulnerab… | CVSS 6.9 MEDIUM

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.

Metadata

CVE ID: CVE-2026-58520
State: PUBLISHED
Assigner: wikimedia-foundation
Reserved: 2026-07-01 03:40 UTC
Published: 2026-07-01 17:14 UTC
Last updated: 2026-07-01 17:56 UTC
Primary CWE: CWE-601
CWE-601 URL redirection to untrusted site ('open redirect')
Vendor / Product: The Wikimedia Foundation / Mediawiki - UrlShortener Extension
Sources: cve.org · NVD

Severity & Metrics

6.9 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
The Wikimedia Foundation	Mediawiki - UrlShortener Extension	—	* < 1.43.9, 1.44.6, 1.45.4

Weakness (CWE)

CWE	Source	Description
CWE-601	cna	CWE-601 URL redirection to untrusted site ('open redirect')

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

References (2)