CVE-2023-37252
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.
| CWE | CWE-669 |
| Vendor | mediawiki |
| Product | checkuser |
| Published | Sep 14, 2026 |
| Last Updated | Sep 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
MediaWiki / CheckUser
0 < 1.35.11 1.36.0 < 1.38.7 1.39.0 < 1.39.4