{"id":"CVE-2022-39193","aliases":["BIT-mediawiki-2022-39193","EUVD-2022-41738","GHSA-5jq2-gw2c-fg5h"],"status":"published","title":"An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various...","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00607,"percentile":0.49383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-668"],"published":"2023-01-20T00:00:00Z","modified":"2026-10-28T02:30:25Z","fixes":[{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.39.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"1.39.0"},{"fixed":"1.39.2"}]}]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T311337","tags":["x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39193","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5jq2-gw2c-fg5h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39193.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-39193","description":"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.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T16:11:19.802Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:34:39.233406Z"}],"euvd":[{"id":"EUVD-2022-41738","description":"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.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T16:11:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:43.340305Z"}],"ghsa":[{"id":"GHSA-5jq2-gw2c-fg5h","title":"An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various...","description":"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 checkuser access.","status":"published","published":"2023-01-20T21:30:31Z","modified":"2025-04-03T18:30:35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-668"],"updated_at":"2026-11-02T15:00:47.69533Z"}],"nvd":[{"id":"CVE-2022-39193","description":"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.","status":"published","published":"2023-01-20T19:15:15.25Z","modified":"2026-06-17T04:57:53.147Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:07:35.157734Z"}],"osv":[{"id":"CVE-2022-39193","description":"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.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2026-10-28T02:30:25.351960774Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:26.53798Z"},{"id":"BIT-mediawiki-2022-39193","description":"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.","status":"published","published":"2024-03-06T11:04:25.976Z","modified":"2025-11-06T13:25:46.476Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}