CVSS 3.1 Score 4.3 of 10 (medium)


Published Nov 3, 2023
Updated: Nov 28, 2023


CVE-2023-45362 is a vulnerability that affects 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, impacting multiple products including Xz2hff, Xz2hfe, Xz2hf_, and others. It was discovered that the diff-multi-sameuser feature ignores username suppression, leading to an information leak. The risk score for this vulnerability is rated as 5 out of 10, indicating a medium severity level. The exploitability score is 2.8 out of 10 with low privileges required and no user interaction necessary for the attack to occur. The potential danger for organizations lies in the possibility of unauthorized access to sensitive information due to the leakage of usernames in diff-multi-sameuser feature within MediaWiki versions mentioned above.

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