CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 9, 2023
Updated: Oct 12, 2023
CWE ID 770


CVE-2023-45371 is a vulnerability that affects 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. It is a high-severity vulnerability with a base score of 7.5 and an impact score of 3.6 according to NVD@NIST. The vulnerability allows merging items without any rate limit, posing a potential danger to organizations using the affected versions of MediaWiki and Wikibase extensions. The vulnerability has an attack vector of network, requires no privileges, and does not require user interaction. To remediate the issue, organizations should update their MediaWiki installation to version 1.35.12, 1.39.5, or 1.40.1 or apply appropriate patches provided by the vendor to mitigate the risk of exploitation.

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