CVE-2024-31263 in Loan Repayment Calculator and Application Form Plugin
Summary
by MITRE • 04/12/2024
Cross-Site Request Forgery (CSRF) vulnerability in aerin Loan Repayment Calculator and Application Form.This issue affects Loan Repayment Calculator and Application Form: from n/a through 2.9.4.
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Analysis
by VulDB Data Team • 04/06/2025
The CVE-2024-31263 vulnerability represents a critical cross-site request forgery flaw within the aerin Loan Repayment Calculator and Application Form plugin, specifically impacting versions ranging from the initial release through 2.9.4. This vulnerability resides in the web application's insufficient protection against unauthorized commands that can be executed by malicious actors. The flaw allows attackers to manipulate the application's behavior by tricking authenticated users into performing unintended actions without their knowledge or consent. The vulnerability stems from the absence of proper anti-CSRF tokens or validation mechanisms within the plugin's request handling process, creating an exploitable gap in the application's security architecture.
The technical implementation of this CSRF vulnerability demonstrates a fundamental failure in the plugin's security controls, where the application does not adequately verify the authenticity of incoming requests. Attackers can craft malicious requests that appear to originate from legitimate users, exploiting the trust relationship between the user's browser and the vulnerable application. This flaw particularly affects the loan repayment calculator functionality and application form processing components, where unauthorized modifications to loan terms, repayment schedules, or application data could be executed. The vulnerability operates by leveraging the user's existing authenticated session to perform actions that should require explicit user confirmation or token validation, violating core security principles of request authenticity verification.
From an operational impact perspective, this vulnerability creates significant risks for financial institutions and users relying on the loan repayment calculator and application form functionality. Attackers could potentially manipulate loan calculations, alter repayment terms, or submit fraudulent applications on behalf of legitimate users. The scope of potential damage extends beyond simple data modification to include financial fraud, unauthorized loan approvals, and compromise of sensitive personal financial information. Organizations using this plugin may face regulatory compliance issues, financial losses, and reputational damage if this vulnerability is exploited. The vulnerability's impact is amplified by the fact that it affects the core loan processing functionality, making it particularly attractive to threat actors targeting financial services.
Security professionals should implement immediate mitigations including the deployment of anti-CSRF tokens for all state-changing requests within the plugin's functionality. The solution requires implementing proper request validation mechanisms that verify the authenticity of user-initiated actions through unique tokens generated per session or request. Organizations should also consider implementing the principle of least privilege for API endpoints and ensuring that all user interactions with the loan calculator and application form components require explicit validation. The vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery weaknesses, and follows ATT&CK technique T1566.001 for initial access through spearphishing attachments, as attackers may exploit this vulnerability to gain unauthorized access to loan processing systems. Additionally, organizations should conduct comprehensive security testing to identify similar vulnerabilities in other components and establish robust monitoring for unauthorized modifications to loan-related data.