An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various components of this extension can expose information on the performer of edits and logged actions. This information should not allow public viewing: it is supposed to be viewable only by users with suppression rights.
Published 2023-01-20 19:15:15
Updated 2023-03-29 05:15:07
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-39193

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-39193

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.9
1.4
NIST

CWE ids for CVE-2022-39193

References for CVE-2022-39193

  • https://phabricator.wikimedia.org/T311337
    ⚓ T311337 CVE-2022-39193: Edits with the performer suppressed still show the performer in results from the CheckUser extension
    Exploit;Issue Tracking;Patch;Third Party Advisory

Products affected by CVE-2022-39193

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