CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 9, 2023
Updated: Nov 28, 2023
CWE ID 835


CVE-2023-45363 is a vulnerability affecting 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. This vulnerability allows attackers to cause a denial of service by exploiting an unbounded loop and RequestTimeoutException when querying pages redirected to other variants with redirects and converttitles set. The affected products include multiple versions of Xz2hff, Xz2hfe, Xz2hf_, Xz2hf8, and many others. To remediate this vulnerability, organizations should update their MediaWiki installations to version 1.35.12, 1.39.5, or 1.40.1 or later versions to fix the issue and prevent potential attacks from impacting the availability of their systems or services. The vulnerability poses a high danger to organizations as it can be exploited remotely without any privileges required and can result in a complete loss of availability for affected systems or services.

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