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CVE-2021-24308

MediumPublished

LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit Profile

Published: May 24, 2021
Updated: Aug 3, 2024
Assigning CNA: WPScan
Evidence observed: May 28, 2021

Primary CVSS

5.4/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

3.2%

Low · next 30 days

Percentile: 87.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

WordPress Plugin LifterLMS 4.21.0 - Stored Cross-Site Scripting (XSS)Exploit
Captain_hook · php · May 28, 2021

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