CVE-2026-88849
MasterStudy LMS 3.7.13 - 3.7.54 - Instructor+ Arbitrary User Display Name Update via Student Enrollment
Unscored
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.55 does not verify that a user targeted through its student-enrolment feature has any relationship to the requesting instructor, allowing users with the Instructor role to overwrite the first name, last name and public display name of any registered user on the site, including administrators, enabling impersonation and phishing.
Assigner
WPScan
WPScan
Published
2026-10-22
2026-10-22
Updated
2026-10-22
2026-10-22
Reserved
2026-09-10
2026-09-10
Affected
| Vendor | Product | Versions |
|---|---|---|
| Unknown | MasterStudy LMS WordPress Plugin | 3.7.13 to < 3.7.55 (affected)
others: unaffected |
References
- https://wpscan.com/vulnerability/fa3df78f-d12f-4f10-8ed4-5e295123141b/ exploitvdb-entrytechnical-description
Full CVE JSON record (5.2)
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "MasterStudy LMS WordPress Plugin",
"vendor": "Unknown",
"versions": [
{
"lessThan": "3.7.55",
"status": "affected",
"version": "3.7.13",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Arman Kumar"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.55 does not verify that a user targeted through its student-enrolment feature has any relationship to the requesting instructor, allowing users with the Instructor role to overwrite the first name, last name and public display name of any registered user on the site, including administrators, enabling impersonation and phishing."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-22T06:00:18.654Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/fa3df78f-d12f-4f10-8ed4-5e295123141b/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "MasterStudy LMS 3.7.13 - 3.7.54 - Instructor+ Arbitrary User Display Name Update via Student Enrollment",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-88849",
"datePublished": "2026-10-22T06:00:18.654Z",
"dateReserved": "2026-09-10T09:58:56.913Z",
"dateUpdated": "2026-10-22T06:00:18.654Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}