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MediaWiki Improper Encoding or Escaping of Output Vulnerability - CVE-2020-35475 - Vulnerability Database
MediaWiki

MediaWiki Improper Encoding or Escaping of Output Vulnerability - CVE-2020-35475

High
Reference: CVE-2020-35475
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2020-35475
Title: MediaWiki Improper Encoding or Escaping of Output Vulnerability
Overview:

In MediaWiki before 1.35.1 the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)