CVE-2023-45372

Summary

CVE-2023-45372 is a vulnerability found in the Wikibase extension for MediaWiki versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. The issue occurs during item merging when the ItemMergeInteractor does not have an edit filter running, such as AbuseFilter. The vulnerability affects multiple products, including Xz2hff, Xz2hfe, Xz2hf_, and many others listed in the affected_products field of the source text. The risk score is rated at 25, with a base severity of MEDIUM according to NIST's National Vulnerability Database (NVD). The potential danger to organizations is relatively low in terms of confidentiality impact but can have low integrity impact if exploited through network attack vectors. No privileges are required for exploitation and user interaction is not required either to exploit this vulnerability. Remediation actions should be taken promptly by updating MediaWiki to version 1.35.12, 1.39.5, or 1.40.1 or later to address this vulnerability and ensure the proper functioning of the Wikibase extension without exposing systems to potential security risks associated with this issue.

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