Cross Site Scripting Vulnerability in MasterStudy LMS by MasterStudy
CVE-2026-57330

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Masterstudy Lms
Vendor
CVE Published:
29 June 2026

What is CVE-2026-57330?

A cross site scripting (XSS) vulnerability has been identified in the MasterStudy LMS plugin for WordPress, affecting versions up to 3.7.27. This vulnerability allows attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access and data theft. Users of the affected version are advised to update to a patched version immediately to mitigate risks associated with this security flaw.

Affected Version(s)

MasterStudy LMS <= 3.7.27

References

https://patchstack.com/database/wordpress/plugin/masterst...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

endy | Patchstack Bug Bounty Program
.