Cross-Site Scripting Flaw in StylemixThemes MasterStudy LMS Plugin
CVE-2026-119478

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Masterstudy Lms
Vendor
CVE Published:
7 November 2026

What is CVE-2026-119478?

The MasterStudy LMS plugin by StylemixThemes is vulnerable to a Cross-Site Scripting (XSS) issue due to inadequate neutralization of script-related HTML tags. This vulnerability allows an attacker to inject malicious code into web pages viewed by users. The flaw affects all versions of MasterStudy LMS up to and including 3.7.56, posing significant security risks to installations using this plugin.

Affected Version(s)

MasterStudy LMS 0 <= 3.7.56

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

mroccon | Patchstack Bug Bounty Program
.