SEPTEMBER 15, 2026
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Case File

CVE-2023-37252

LOW · CVSS 3.1 EPSS 0.20%

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The CheckUser extension for MediaWiki versions up to 1.39.3 is vulnerable as it improperly exposes hidden usernames in the Special:CheckUserLog. This flaw could lead to unauthorized disclosure of sensitive user information, potentially compromising user privacy and security. MediaWiki administrators using the affected extension should prioritize addressing this vulnerability to protect user data.

CVE
CVE-2023-37252
Severity
LOW
CVSS
3.1
EPSS
0.20%

Original NVD Description

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