CVE-2026-78532

Received Received - Intake

Unauthenticated XSS in LMS <= 8.3

Publication date: 2026-10-10

Last updated on: 2026-10-10

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in LMS <= 8.3 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-10

Last Modified

2026-10-10

Generated

2026-10-11

AI Q&A

2026-10-11

EPSS Evaluated

N/A

NVD

CVE-2026-78532

EUVD

EUVD-2026-96527

Affected Vendors & Products

Vendor	Product	Version / Range
designthemes	LMS	n/a

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting LMS versions up to and including 8.3. XSS allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or redirect users to malicious sites. It may lead to unauthorized data access or actions on behalf of users if combined with other vulnerabilities.

Compliance Impact

XSS can compromise user data confidentiality, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face fines or penalties for failing to address such vulnerabilities.

Mitigation Strategies

Update the LMS software to the latest version beyond 8.3 to patch the XSS vulnerability. If an update is not available, consider disabling or restricting access to the vulnerable component until a fix is applied.

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