CVE-2025-67857 (GCVE-0-2025-67857)
Vulnerability from cvelistv5 – Published: 2026-02-03 10:52 – Updated: 2026-02-03 15:40
VLAI?
Title
Moodle: moodle: data exposure of user identifiers in urls
Summary
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 ?
4.3 (Medium)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
Credits
Red Hat would like to thank Mihail Geshoski for reporting this issue.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-67857",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-03T15:40:38.990126Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-03T15:40:59.601Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://github.com/moodle/moodle/",
"defaultStatus": "unaffected",
"packageName": "moodle",
"versions": [
{
"lessThan": "4.1.22",
"status": "affected",
"version": "4.1.0",
"versionType": "semver"
},
{
"lessThan": "4.4.12",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
},
{
"lessThan": "4.5.8",
"status": "affected",
"version": "4.5.0",
"versionType": "semver"
},
{
"lessThan": "5.0.4",
"status": "affected",
"version": "5.0.0",
"versionType": "semver"
},
{
"lessThan": "5.1.1",
"status": "affected",
"version": "5.1.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank Mihail Geshoski for reporting this issue."
}
],
"datePublic": "2025-12-15T04:00:00.000Z",
"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."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Moderate"
},
"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": {
"dateUpdated": "2026-02-03T10:52:22.459Z",
"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"shortName": "fedora"
},
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-67857"
},
{
"name": "RHBZ#2423868",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423868"
},
{
"url": "https://moodle.org/mod/forum/discuss.php?d=471307"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-12-19T13:40:16.882000+00:00",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-12-15T04:00:00+00:00",
"value": "Made public."
}
],
"title": "Moodle: moodle: data exposure of user identifiers in urls",
"x_redhatCweChain": "CWE-201: Insertion of Sensitive Information Into Sent Data"
}
},
"cveMetadata": {
"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"assignerShortName": "fedora",
"cveId": "CVE-2025-67857",
"datePublished": "2026-02-03T10:52:22.459Z",
"dateReserved": "2025-12-12T13:00:24.331Z",
"dateUpdated": "2026-02-03T15:40:59.601Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-67857\",\"sourceIdentifier\":\"patrick@puiterwijk.org\",\"published\":\"2026-02-03T11:15:56.090\",\"lastModified\":\"2026-02-03T16:44:03.343\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"patrick@puiterwijk.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"patrick@puiterwijk.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-201\"}]}],\"references\":[{\"url\":\"https://access.redhat.com/security/cve/CVE-2025-67857\",\"source\":\"patrick@puiterwijk.org\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2423868\",\"source\":\"patrick@puiterwijk.org\"},{\"url\":\"https://moodle.org/mod/forum/discuss.php?d=471307\",\"source\":\"patrick@puiterwijk.org\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-67857\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-03T15:40:38.990126Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-03T15:40:51.073Z\"}}], \"cna\": {\"title\": \"Moodle: moodle: data exposure of user identifiers in urls\", \"credits\": [{\"lang\": \"en\", \"value\": \"Red Hat would like to thank Mihail Geshoski for reporting this issue.\"}], \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Moderate\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}], \"affected\": [{\"versions\": [{\"status\": \"affected\", \"version\": \"4.1.0\", \"lessThan\": \"4.1.22\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.4.0\", \"lessThan\": \"4.4.12\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.5.0\", \"lessThan\": \"4.5.8\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.0.0\", \"lessThan\": \"5.0.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.1.0\", \"lessThan\": \"5.1.1\", \"versionType\": \"semver\"}], \"packageName\": \"moodle\", \"collectionURL\": \"https://github.com/moodle/moodle/\", \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-12-19T13:40:16.882000+00:00\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2025-12-15T04:00:00+00:00\", \"value\": \"Made public.\"}], \"datePublic\": \"2025-12-15T04:00:00.000Z\", \"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\"}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-201\", \"description\": \"Insertion of Sensitive Information Into Sent Data\"}]}], \"providerMetadata\": {\"orgId\": \"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5\", \"shortName\": \"fedora\", \"dateUpdated\": \"2026-02-03T10:52:22.459Z\"}, \"x_redhatCweChain\": \"CWE-201: Insertion of Sensitive Information Into Sent Data\"}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-67857\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-03T15:40:59.601Z\", \"dateReserved\": \"2025-12-12T13:00:24.331Z\", \"assignerOrgId\": \"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5\", \"datePublished\": \"2026-02-03T10:52:22.459Z\", \"assignerShortName\": \"fedora\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…