{"id":"CVE-2025-67857","aliases":["BIT-moodle-2025-67857","EUVD-2025-206751","GHSA-8jrv-wx83-w3xj","UBUNTU-CVE-2025-67857"],"status":"published","title":"Moodle: moodle: data exposure of user identifiers in urls","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00357,"percentile":0.2992,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-201"],"published":"2026-02-03T10:52:22Z","modified":"2026-10-28T02:30:38Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["4.1.22","4.4.12","4.5.8","5.0.4","5.1.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"moodle","fixed_in":["4.1.21","4.4.11","4.5.8","5.0.4","5.1.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.22"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-beta"},{"fixed":"4.4.12"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0-beta"},{"fixed":"4.5.8"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0-beta"},{"fixed":"5.0.4"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0-beta"},{"fixed":"5.1.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"moodle","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.1.21"},{"introduced":"4.4.0"},{"fixed":"4.4.11"},{"introduced":"4.5.0"},{"fixed":"4.5.8"},{"introduced":"5.0.0"},{"fixed":"5.0.4"},{"introduced":"5.1.0"},{"fixed":"5.1.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.22"}]}],"versions":["v2.3.10","v2.3.11","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9","v2.4.0","v2.4.0-rc1","v2.4.1","v2.4.10","v2.4.11","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.0-beta","v2.5.0-rc1","v2.5.1","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.5.8","v2.5.9","v2.6.0","v2.6.0-beta","v2.6.0-rc1","v2.6.1","v2.6.10","v2.6.11","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6","v2.6.7","v2.6.8","v2.6.9","v2.7.0","v2.7.0-beta","v2.7.0-rc1","v2.7.0-rc2","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.13","v2.7.14","v2.7.15","v2.7.16","v2.7.17","v2.7.18","v2.7.19","v2.7.2","v2.7.20","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9","v2.8.0","v2.8.0-beta","v2.8.0-rc1","v2.8.0-rc2","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9","v2.9.0","v2.9.0-beta","v2.9.0-rc1","v2.9.0-rc2","v2.9.1","v2.9.2","v2.9.3","v2.9.4","v2.9.5","v2.9.6","v2.9.7","v2.9.8","v2.9.9","v3.0.0","v3.0.0-beta","v3.0.0-rc1","v3.0.0-rc2","v3.0.0-rc3","v3.0.0-rc4","v3.0.1","v3.0.10","v3.0.2","v3.0.3","v3.0.4","v3.0.5","v3.0.6","v3.0.7","v3.0.8","v3.0.9","v3.1.0","v3.1.0-beta","v3.1.0-rc1","v3.1.0-rc2","v3.1.1","v3.1.10","v3.1.11","v3.1.12","v3.1.13","v3.1.14","v3.1.15","v3.1.16","v3.1.17","v3.1.18","v3.1.2","v3.1.3","v3.1.4","v3.1.5","v3.1.6","v3.1.7","v3.1.8","v3.1.9","v3.10.0","v3.10.0-beta","v3.10.0-rc1","v3.10.0-rc2","v3.10.1","v3.10.10","v3.10.11","v3.10.2","v3.10.3","v3.10.4","v3.10.5","v3.10.6","v3.10.7","v3.10.8","v3.10.9","v3.11.0","v3.11.0-beta","v3.11.0-rc1","v3.11.0-rc2","v3.11.1","v3.11.10","v3.11.11","v3.11.12","v3.11.13","v3.11.14","v3.11.15","v3.11.16","v3.11.17","v3.11.18","v3.11.2","v3.11.3","v3.11.4","v3.11.5","v3.11.6","v3.11.7","v3.11.8","v3.11.9","v3.2.0","v3.2.0-beta","v3.2.0-rc1","v3.2.0-rc2","v3.2.0-rc3","v3.2.0-rc4","v3.2.0-rc5","v3.2.1","v3.2.2","v3.2.3","v3.2.4","v3.2.5","v3.2.6","v3.2.7","v3.2.8","v3.2.9","v3.3.0","v3.3.0-beta","v3.3.0-rc1","v3.3.0-rc2","v3.3.0-rc3","v3.3.1","v3.3.2","v3.3.3","v3.3.4","v3.3.5","v3.3.6","v3.3.7","v3.3.8","v3.3.9","v3.4.0","v3.4.0-beta","v3.4.0-rc1","v3.4.0-rc2","v3.4.0-rc3","v3.4.1","v3.4.2","v3.4.3","v3.4.4","v3.4.5","v3.4.6","v3.4.7","v3.4.8","v3.4.9","v3.5.0","v3.5.0-beta","v3.5.0-rc1","v3.5.1","v3.5.10","v3.5.11","v3.5.12","v3.5.13","v3.5.14","v3.5.15","v3.5.16","v3.5.17","v3.5.18","v3.5.2","v3.5.3","v3.5.4","v3.5.5","v3.5.6","v3.5.7","v3.5.8","v3.5.9","v3.6.0","v3.6.0-beta","v3.6.0-rc1","v3.6.0-rc2","v3.6.0-rc3","v3.6.1","v3.6.10","v3.6.2","v3.6.3","v3.6.4","v3.6.5","v3.6.6","v3.6.7","v3.6.8","v3.6.9","v3.7.0","v3.7.0-beta","v3.7.0-rc1","v3.7.0-rc2","v3.7.1","v3.7.2","v3.7.3","v3.7.4","v3.7.5","v3.7.6","v3.7.7","v3.7.8","v3.7.9","v3.8.0","v3.8.0-beta","v3.8.0-rc1","v3.8.1","v3.8.2","v3.8.3","v3.8.4","v3.8.5","v3.8.6","v3.8.7","v3.8.8","v3.8.9","v3.9.0","v3.9.0-beta","v3.9.0-rc1","v3.9.0-rc2","v3.9.0-rc3","v3.9.1","v3.9.10","v3.9.11","v3.9.12","v3.9.13","v3.9.14","v3.9.15","v3.9.16","v3.9.17","v3.9.18","v3.9.19","v3.9.2","v3.9.20","v3.9.21","v3.9.22","v3.9.23","v3.9.24","v3.9.25","v3.9.3","v3.9.4","v3.9.5","v3.9.6","v3.9.7","v3.9.8","v3.9.9","v4.0.0","v4.0.0-beta","v4.0.0-rc1","v4.0.0-rc2","v4.0.0-rc3","v4.0.0-rc4","v4.0.1","v4.0.10","v4.0.11","v4.0.12","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.0.6","v4.0.7","v4.0.8","v4.0.9","v4.1.0","v4.1.0-beta","v4.1.0-rc1","v4.1.0-rc2","v4.1.0-rc3","v4.1.1","v4.1.10","v4.1.11","v4.1.12","v4.1.13","v4.1.14","v4.1.15","v4.1.16","v4.1.17","v4.1.18","v4.1.19","v4.1.2","v4.1.20","v4.1.21","v4.1.3","v4.1.4","v4.1.5","v4.1.6","v4.1.7","v4.1.8","v4.1.9"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-beta"},{"fixed":"4.4.12"}]}],"versions":["v4.4.0","v4.4.0-beta","v4.4.0-rc1","v4.4.0-rc2","v4.4.1","v4.4.10","v4.4.11","v4.4.2","v4.4.3","v4.4.4","v4.4.5","v4.4.6","v4.4.7","v4.4.8","v4.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0-beta"},{"fixed":"4.5.8"}]}],"versions":["v4.5.0","v4.5.0-beta","v4.5.0-rc1","v4.5.0-rc2","v4.5.1","v4.5.2","v4.5.3","v4.5.4","v4.5.5","v4.5.6","v4.5.7"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0-beta"},{"fixed":"5.0.4"}]}],"versions":["v5.0.0","v5.0.0-beta","v5.0.0-rc1","v5.0.0-rc2","v5.0.0-rc3","v5.0.1","v5.0.2","v5.0.3"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0-beta"},{"fixed":"5.1.1"}]}],"versions":["v5.1.0","v5.1.0-beta","v5.1.0-rc1","v5.1.0-rc2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.9+dfsg-1","2.7.10+dfsg-1","2.7.11+dfsg-1","2.7.11+dfsg-2","2.7.12+dfsg-1","3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-67857","tags":["vdb-entry","x_refsource_REDHAT","Third Party Advisory","advisory","web","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423868","tags":["issue-tracking","x_refsource_REDHAT","Third Party Advisory","advisory","report","web"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=471307","tags":["Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-67857","tags":["web","advisory"]},{"url":"https://github.com/moodle/moodle/commit/ac30e7e19357f696979b7ffd760a7131b6ad88f6","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/c6cb8d971257c04a12a2c5d8510a89cb906f46f0","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8jrv-wx83-w3xj"},{"url":"https://github.com/moodle/moodle/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67857.json","tags":["advisory"]},{"url":"https://github.com/moodle/moodle","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-67857","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-67857","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-67857","title":"Moodle: moodle: data exposure of user identifiers in urls","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T10:52:22.459Z","modified":"2026-02-03T15:40:59.601Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:32:52.21763Z"}],"euvd":[{"id":"EUVD-2025-206751","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T10:52:22Z","modified":"2026-02-03T15:40:59Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:45.084164Z"}],"ghsa":[{"id":"GHSA-8jrv-wx83-w3xj","title":"Moodle Inserts Sensitive Information Into Sent Data","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T12:30:29Z","modified":"2026-02-03T19:17:12Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:39:21.558748Z"}],"nvd":[{"id":"CVE-2025-67857","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T11:15:56.09Z","modified":"2026-06-17T09:58:11.777Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:11:59.832225Z"}],"osv":[{"id":"CVE-2025-67857","title":"Moodle: moodle: data exposure of user identifiers in urls","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T10:52:22.459Z","modified":"2026-10-28T02:30:38.021165891Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:44:52.53036Z"},{"id":"GHSA-8jrv-wx83-w3xj","title":"Moodle Inserts Sensitive Information Into Sent Data","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T12:30:29Z","modified":"2026-02-12T09:25:58.120307Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:46:42.437513Z"},{"id":"UBUNTU-CVE-2025-67857","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-03T11:15:00Z","modified":"2026-09-23T18:46:18.73853425Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"},{"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":"2026-11-02T16:55:52.345622Z"},{"id":"BIT-moodle-2025-67857","title":"Moodle: moodle: data exposure of user identifiers in urls","description":"A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.","status":"published","published":"2026-02-12T08:51:13.591Z","modified":"2026-09-08T08:48:15.424602784Z","updated_at":"2026-11-02T15:28:33.469426Z"}]}}
