CVE-2023-37252

3.1 lowEPSS 0.2%

Low (3.1). EPSS 0.2% chance of exploitation in the next 30 days.

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.

Severity

3.1 low

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-31)
CWE: CWE-669
Published: 2026-09-14
Modified: 2026-09-16
Record from: the NVD, synced 2026-10-19