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MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2021-42048 - Vulnerability Database
MediaWiki

MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2021-42048

Medium
Reference: CVE-2021-42048
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2021-42048
Title: MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. Any admin can add arbitrary JavaScript code to the Newcomer home page footer which can be executed by viewers with zero edits.