CVE-2025-62076 in Simple Payment Plugin
Summary
by MITRE • 11/06/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ido Kobelkowsky Simple Payment simple-payment.This issue affects Simple Payment: from n/a through <= 2.4.6.
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Analysis
by VulDB Data Team • 11/13/2025
The vulnerability identified as CVE-2025-62076 represents a critical cross-site scripting flaw within the Simple Payment plugin developed by Ido Kobelkowsky. This weakness manifests during the web page generation process where input data is inadequately sanitized before being rendered in HTML output contexts. The vulnerability falls under the well-established CWE-79 category for Cross-Site Scripting, specifically addressing improper neutralization of input during web page generation. The affected software version range indicates that all versions up to and including 2.4.6 remain susceptible to this security flaw, creating a substantial attack surface for malicious actors targeting WordPress environments that utilize this payment plugin.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the plugin's codebase. When user-supplied data is processed and subsequently displayed in web pages without proper sanitization, attackers can inject malicious scripts that execute in the context of other users' browsers. This occurs because the plugin fails to properly escape or encode special characters that could be interpreted as HTML or JavaScript code during the rendering phase. The vulnerability is particularly concerning as it operates at the point of data presentation rather than data input, making it difficult to detect through traditional input validation measures alone. The flaw enables attackers to inject malicious payloads through various input fields that are later rendered in payment-related pages, potentially compromising user sessions and sensitive transaction data.
Operationally, this XSS vulnerability creates significant risks for WordPress sites utilizing the Simple Payment plugin, particularly those handling financial transactions or user data. An attacker could exploit this weakness to steal session cookies, redirect users to malicious websites, inject malicious advertisements, or perform actions on behalf of authenticated users. The impact extends beyond simple script injection as it could facilitate more sophisticated attacks such as credential theft or privilege escalation within the affected WordPress environment. Given that payment plugins typically handle sensitive user information, the potential for data exfiltration or financial fraud increases substantially. The vulnerability's persistence across multiple versions suggests a fundamental flaw in the plugin's security architecture that requires immediate remediation to prevent exploitation by threat actors who actively target WordPress payment solutions.
Mitigation strategies for CVE-2025-62076 should prioritize immediate plugin updates to versions that address the XSS vulnerability, as recommended by the vendor and security advisories. Organizations should implement comprehensive input validation and output encoding measures within their web applications, ensuring all user-supplied data is properly sanitized before presentation. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent script execution, while regular security audits of third-party plugins should be conducted to identify similar vulnerabilities. According to ATT&CK framework category T1190 for Exploit Public-Facing Application, this vulnerability represents a common attack vector that security teams must address through both preventive measures and monitoring of anomalous user behavior patterns. Regular patch management processes should be enhanced to include immediate verification of security updates for all installed plugins, particularly those handling sensitive data or user interactions.