CVE-2024-56037

High

Published: 02 January 2025

Published

02 January 2025

Modified

23 April 2026

KEV Added

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Patch

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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0027 50.3th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-56037 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 49.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Deeper analysis

CVE-2024-56037 is an improper neutralization of input during web page generation vulnerability, enabling reflected cross-site scripting (XSS) as classified under CWE-79. It affects the User Referral WordPress plugin (user-referral-free) developed by SoftClever Limited, with all versions from unknown starting point through 8.0 inclusive being vulnerable.

The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network accessibility, low attack complexity, no required privileges, but user interaction is necessary. Remote attackers can exploit it by tricking authenticated or unauthenticated users into interacting with maliciously crafted requests, such as via a phishing link, leading to execution of arbitrary JavaScript in the victim's browser context and achieving low impacts on confidentiality, integrity, and availability with a changed scope.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/user-referral-free/vulnerability/wordpress-user-referral-plugin-8-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve documents this reflected XSS issue in the User Referral plugin version 8.0 and provides details relevant to mitigation for affected WordPress installations.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2024-52935

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in SoftClever Limited User Referral user-referral-free allows Reflected XSS.This issue affects User Referral: from n/a through <= 8.0.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing WordPress plugin directly enables exploitation of web application (T1190) and arbitrary JavaScript execution in browser (T1059.007).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1