{"id":"CVE-2025-67857","state":"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.","publishedAt":"2026-02-03T10:52:22.459Z","updatedAt":"2026-02-03T15:40:59.601Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","source":"fedora"},"assigner":"fedora","products":["moodle"],"affected":[{"packageName":"moodle","defaultStatus":"unaffected","versions":[{"version":"4.1.0","status":"affected","lessThan":"4.1.22","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.12","versionType":"semver"},{"version":"4.5.0","status":"affected","lessThan":"4.5.8","versionType":"semver"},{"version":"5.0.0","status":"affected","lessThan":"5.0.4","versionType":"semver"},{"version":"5.1.0","status":"affected","lessThan":"5.1.1","versionType":"semver"}],"collectionURL":"https://github.com/moodle/moodle/"}],"references":["https://access.redhat.com/security/cve/CVE-2025-67857","https://bugzilla.redhat.com/show_bug.cgi?id=2423868","https://moodle.org/mod/forum/discuss.php?d=471307"],"weaknesses":["CWE-201"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/67xxx/CVE-2025-67857.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-67857","state":"PUBLISHED","datePublished":"2026-02-03T10:52:22.459Z","dateUpdated":"2026-02-03T15:40:59.601Z","assignerShortName":"fedora","assignerOrgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","dateReserved":"2025-12-12T13:00:24.331Z"},"containers":{"cna":{"title":"Moodle: moodle: data exposure of user identifiers in urls","descriptions":[{"lang":"en","value":"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."}],"affected":[{"packageName":"moodle","defaultStatus":"unaffected","versions":[{"version":"4.1.0","status":"affected","lessThan":"4.1.22","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.12","versionType":"semver"},{"version":"4.5.0","status":"affected","lessThan":"4.5.8","versionType":"semver"},{"version":"5.0.0","status":"affected","lessThan":"5.0.4","versionType":"semver"},{"version":"5.1.0","status":"affected","lessThan":"5.1.1","versionType":"semver"}],"collectionURL":"https://github.com/moodle/moodle/"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-67857","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423868","name":"RHBZ#2423868","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=471307"}],"metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-201","description":"Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"fedora","orgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","dateUpdated":"2026-02-03T10:52:22.459Z"},"datePublic":"2025-12-15T04:00:00.000Z","x_redhatCweChain":"CWE-201: Insertion of Sensitive Information Into Sent Data","timeline":[{"lang":"en","time":"2025-12-19T13:40:16.882Z","value":"Reported to Red Hat."},{"lang":"en","time":"2025-12-15T04:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Mihail Geshoski for reporting this issue."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-03T15:40:38.990126Z","id":"CVE-2025-67857","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-03T15:40:59.601Z"}}]}}}