CVE-2026-88849
Low
Description
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.
SeverityLow
CVSS2.7
Exploit probability—
ProductMasterStudy LMS WordPress Plugin
PublishedOct 22, 2026
First seenOct 22, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- MasterStudy LMS WordPress Plugin3.7.55 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MasterStudy LMS WordPress Plugin | 3.7.13 ≤ v < 3.7.55 | 3.7.55 |
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