CVE-2021-24308

Public Exploit
LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit Profile

Description

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory wpscan.com
Affected: LifterLMS LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/f29f68a5-6575-441d-98c9-867145f2b082 third party advisory exploit
https://github.com/gocodebox/lifterlms/releases/tag/4.21.1 third party advisory release notes
http://packetstormsecurity.com/files/162856/WordPress-LifterLMS-4.21.0-Cross-Site-Scripting.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-24308?
CVE-2021-24308 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24308?
To fix CVE-2021-24308, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24308 being actively exploited in the wild?
It is possible that CVE-2021-24308 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24308?
CVE-2021-24308 affects LifterLMS LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress.
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