Cross-Site Scripting (XSS) Vulnerability in MediaWiki Special:ImportFile URI

CVE-2021-45474 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.

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