CVE-2021-45474

MEDIUM

MediaWiki < 1.37 - Cross-Site Scripting via Special:ImportFile clientUrl Parameter

Title source: llm

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

Core 3

Core References

Third Party Advisory x_refsource_misc

Third Party Advisory x_refsource_misc

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

CVSS v3 6.1

EPSS 0.0026

EPSS Percentile 49.0%

Attack Vector NETWORK

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

CWE

CWE-79

Status published

Products (2)

fedoraproject/fedora 35

mediawiki/mediawiki < 1.37

Published Dec 24, 2021

Tracked Since Feb 18, 2026