CVE-2023-37252CWE-669

CVE-2023-37252

Low · published September 14, 2026

CVSS v3.1
3.1
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.1 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-669 · Incorrect Resource Transfer Between Spheres
Published
2026-09-14T09:16Z
References (2)
https://phabricator.wikimedia.org/T330968 · [email protected]https://phabricator.wikimedia.org/T330968 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 SEP 03:13Z
    EPSS moved — → 0%
    epss
  • 14 SEP 00:00Z
    An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3
    cvelistv5