An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://phabricator.wikimedia.org/T330968 |
|
History
Mon, 14 Sep 2026 05:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mediawiki
Mediawiki checkuser |
|
| Weaknesses | CWE-669 | |
| CPEs | cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mediawiki
Mediawiki checkuser |
|
| Metrics |
cvssV3_1
|
Mon, 14 Sep 2026 05:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden. | |
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-09-14T05:12:30.342Z
Reserved: 2023-06-29T00:00:00.000Z
Link: CVE-2023-37252
No data.
Status : Received
Published: 2026-09-14T05:16:57.580
Modified: 2026-09-14T06:16:52.380
Link: CVE-2023-37252
No data.
OpenCVE Enrichment
Updated: 2026-09-14T06:30:12Z
Weaknesses