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MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2022-34911 - Vulnerability Database
MediaWiki

MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2022-34911

Medium
Reference: CVE-2022-34911
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2022-34911
Title: MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

An issue was discovered in MediaWiki before 1.35.7 1.36.x and 1.37.x before 1.37.3 and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation when it sets the page title to quotWelcomequot followed by the username the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter and OutputPage::setPageTitle() uses text().