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MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2023-3550 - Vulnerability Database
MediaWiki

MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2023-3550

Critical
Reference: CVE-2023-3550
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2023-3550
Title: MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore if the instance administrator allows XML file uploads a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator.