CVE-2023-45371

Summary

CVE-2023-45371: A vulnerability was found in Wikibase, an extension for MediaWiki, affecting versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. This issue involves a lack of rate limiting for merging items, potentially allowing malicious actors to perform mass item merges at an unprecedented scale. This can lead to data manipulation or even data loss, posing a significant risk to MediaWiki installations running the affected versions.

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