Security Advisory

CVE-2021-39186

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-09-01 20:35:12

Last updated 2024-08-04 01:58:18

Assigner GitHub_M

State PUBLISHED

Description

GlobalNewFiles is a MediaWiki extension maintained by Miraheze. Prior to commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, the username column of the GlobalNewFiles special page is vulnerable to a stored XSS. Commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d contains a patch. As a workaround, one may disallow <,> (or other characters required to insert html/js) from being used in account names so an XSS is not possible.

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