What is the CVSS score of CVE-2021-24308?

CVE-2021-24308 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 3.2%.

Is there a public PoC exploit available for CVE-2021-24308?

Yes, a public proof-of-concept exploit is available for CVE-2021-24308. Prioritise patching immediately. EPSS: 3.2%.

Lifterlms CVE-2021-24308

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-05-24 contact@wpscan.com

WordPress XSS Lifterlms

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

May 24, 2021 - 11:15 nvd

MEDIUM 5.4

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Lifterlms. Version information: before 4.21.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.