CVE-2026-58520
Severity CVSS v4.0:
MEDIUM
Type:
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
Publication date:
01/07/2026
Last modified:
09/07/2026
Description
URL redirection to untrusted site (&#39;open redirect&#39;) vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing.<br />
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This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.
Impact
Base Score 4.0
6.90
Severity 4.0
MEDIUM
Base Score 3.x
6.10
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.43.0 (including) | 1.43.9 (excluding) |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.44.0 (including) | 1.44.6 (excluding) |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.45.0 (including) | 1.45.4 (excluding) |
To consult the complete list of CPE names with products and versions, see this page



