LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin <= 4.21.0 - Stored Cross-Site Scripting

2021-05-10 00:00

captain_hook

Strategic Overview

Status

Patched in 4.21.1

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

Affected Version< 4.21.1

CVSS5.4Medium

CVECVE-2021-24308

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

Vulnerability Overview

The 'State' field of the Edit profile page of the LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.1 is not properly sanitised when output in the About section of the profile page, leading to a stored Cross-Site Scripting issue. This could allow low privilege users (such as students) to elevate their privilege via an XSS attack when an admin will view their profile.

Technical Analysis

REMEDIATION: Update to version 4.21.1, 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-2021-24308 https://www.wordfence.com/threat-intel/vulnerabilities/id/86b54c46-a637-4fc4-8d48-a02383c9814b

CVSS Vector

5.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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