CVE-2025-26541 in Bitcoin & AltCoin Payment Gateway for WooCommerce Plugin
Summary
by MITRE • 03/26/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CodeSolz Bitcoin / AltCoin Payment Gateway for WooCommerce allows Reflected XSS. This issue affects Bitcoin / AltCoin Payment Gateway for WooCommerce: from n/a through 1.7.6.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 06/06/2026
This cross-site scripting vulnerability resides within the CodeSolz Bitcoin / AltCoin Payment Gateway for WooCommerce plugin, representing a classic reflected xss flaw that enables attackers to inject malicious scripts into web pages viewed by users. The vulnerability stems from inadequate input sanitization during web page generation processes, specifically when handling user-supplied data that gets reflected back to the browser without proper neutralization. The affected version range spans from the initial release through 1.7.6, indicating this weakness has persisted across multiple iterations of the plugin, suggesting a fundamental flaw in the input handling architecture rather than a one-time coding error. This type of vulnerability falls under CWE-79 which classifies improper neutralization of input during web page generation as a primary vector for cross-site scripting attacks. The reflected nature of this vulnerability means that malicious input is immediately reflected back to the user's browser without being stored on the server, making it particularly dangerous as it can be triggered through crafted links sent via email, messaging platforms, or social media channels.
The operational impact of this vulnerability extends beyond simple script execution to potentially enable session hijacking, credential theft, and full user account compromise. Attackers can craft malicious URLs that, when clicked by unsuspecting users, execute scripts in their browser context and potentially steal cookies, session tokens, or other sensitive information. The vulnerability specifically affects the payment gateway functionality where user input is processed, making it particularly dangerous in an e-commerce environment where users may be entering sensitive financial information. This weakness creates an attack surface that can be exploited to manipulate the payment process, redirect users to malicious sites, or harvest payment credentials. The reflected nature means that each attack must be individually crafted and delivered, but this also makes it more difficult to detect through automated scanning as the malicious payloads are only present in the specific request that triggers the vulnerability.
Security professionals should recognize this as a critical issue requiring immediate remediation, particularly given the plugin's integration with WooCommerce payment processing systems. The vulnerability can be exploited through various attack vectors including social engineering campaigns, where attackers craft malicious URLs that appear legitimate and target users during payment processing. Organizations using this plugin should implement immediate mitigations such as input validation, output encoding, and the implementation of content security policies to prevent script execution. The issue aligns with ATT&CK technique T1566 which covers social engineering tactics, specifically targeting users through malicious links. Additionally, implementing proper input sanitization at the point of data entry and ensuring all user-supplied data is properly escaped or encoded before being rendered in web pages will effectively neutralize this threat. The vulnerability also demonstrates the importance of regular security assessments and input validation testing, as reflected xss issues often occur when developers assume that user input will be benign or when security measures are not consistently applied throughout the application stack. Organizations should also consider implementing web application firewalls and monitoring for suspicious input patterns to detect and prevent exploitation attempts.