What is CVE-2026-88849?

CVE-2026-88849 is a low-severity vulnerability in Masterstudy Lms WordPress Plugin, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2026-10-22.

How severe is CVE-2026-88849?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Masterstudy Lms WordPress Plugin

CVE-2026-88849

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.

Vulnerability class: Broken Access Control

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Masterstudy Lms WordPress Plugin

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

wpscan.com/vulnerability/fa3df78f-d12f-4f10-8ed4-5e295123141b/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-88849?: CVE-2026-88849 is a low-severity vulnerability in Masterstudy Lms WordPress Plugin, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2026-10-22.
How severe is CVE-2026-88849?: Low severity. CVSS v3 base score is 2.7 out of 10.