CVE-2024-37920 in ARForms Form Builder Plugin
Summary
by MITRE • 07/20/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Repute InfoSystems ARForms Form Builder allows Reflected XSS.This issue affects ARForms Form Builder: from n/a through 1.6.7.
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Analysis
by VulDB Data Team • 01/23/2026
The vulnerability identified as CVE-2024-37920 represents a critical improper neutralization of input during web page generation, specifically manifesting as a reflected cross-site scripting vulnerability within the ARForms Form Builder plugin developed by Repute InfoSystems. This flaw exists in versions ranging from the initial release through 1.6.7, creating a persistent security risk for affected systems. The vulnerability falls under CWE-79, which specifically addresses the improper neutralization of input during web page generation, making it a direct descendant of the well-known cross-site scripting attack vector.
The technical implementation of this vulnerability occurs when the ARForms Form Builder plugin fails to properly sanitize or encode user input before incorporating it into dynamically generated web pages. Attackers can exploit this weakness by crafting malicious payloads that are reflected back to users through the web application, typically via URL parameters or form submissions. When a victim clicks on a maliciously crafted link or submits a form containing the XSS payload, the malicious script executes in the victim's browser context, potentially leading to session hijacking, credential theft, or further exploitation. This reflected XSS variant is particularly dangerous because it requires no persistent storage of malicious code on the server, making it easier to deploy and harder to detect.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities against affected users and systems. An attacker could leverage this vulnerability to steal user sessions, capture sensitive form data, redirect users to malicious sites, or even perform actions on behalf of authenticated users through the compromised form builder functionality. The vulnerability affects any user who interacts with the ARForms Form Builder plugin, particularly administrators who may have elevated privileges, potentially allowing for complete system compromise. This risk is amplified by the fact that the vulnerability exists across multiple versions, suggesting a fundamental flaw in the input handling mechanism rather than a simple patchable issue.
Mitigation strategies for this vulnerability should focus on immediate remediation through version updates to the latest available release where the XSS flaw has been addressed. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent malicious content from being executed in user contexts. Security measures including content security policies, proper sanitization of all user inputs, and regular security audits of web applications should be implemented to prevent similar vulnerabilities from emerging. Additionally, implementing web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts. The vulnerability aligns with ATT&CK technique T1566.001 which covers the use of malicious links in phishing attacks, emphasizing the need for robust input validation as a primary defense mechanism. Organizations should also consider implementing principle of least privilege access controls and regular security training for administrators to minimize the potential damage from successful exploitation attempts.