LMS by LifterLMS <= 3.35.0 - Stored Cross-Site Scripting via Import

2019-09-09 00:00

Jerome Bruandet

Strategic Overview

Status

Patched in 3.35.0

Affected PluginLifterLMS – WP LMS for eLearning, Online Courses, & Quizzes

Affected Version< 3.35.0

CVSS9.8Critical

CVECVE-2019-15896

View all LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes vulnerabilities

Vulnerability Overview

An issue was discovered in the LifterLMS plugin through 3.34.5 for WordPress. The upload_import function in the class.llms.admin.import.php script is prone to an unauthenticated options import vulnerability that could lead to privilege escalation (administrator account creation), website redirection, and stored XSS.

Technical Analysis

REMEDIATION: Update to version 3.35.0, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) 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.

External References

https://www.cve.org/CVERecord?id=CVE-2019-15896 https://www.wordfence.com/threat-intel/vulnerabilities/id/4fa04a97-0be1-4710-ae97-5820ccbddc1e

CVSS Vector

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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