CVE-2026-58520

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5	Issue Tracking
https://phabricator.wikimedia.org/T418431	Issue Tracking

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

History

09 Jul 2026, 18:45

Type	Values Removed	Values Added
First Time		Mediawiki mediawiki Mediawiki
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.1
CPE		cpe:2.3:a:mediawiki:mediawiki::::::::
References	~~() https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5 -~~	() https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5 - Issue Tracking
References	~~() https://phabricator.wikimedia.org/T418431 -~~	() https://phabricator.wikimedia.org/T418431 - Issue Tracking

01 Jul 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 18:16

Updated : 2026-07-09 18:45

NVD link : CVE-2026-58520

Mitre link : CVE-2026-58520

CVE.ORG link : CVE-2026-58520

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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