CVE-2025-24544 in Bitcoin and Altcoin Wallets Plugin
Summary
by MITRE • 02/03/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Alexandros Georgiou Bitcoin and Altcoin Wallets allows Reflected XSS. This issue affects Bitcoin and Altcoin Wallets: from n/a through 6.3.1.
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Analysis
by VulDB Data Team • 02/06/2025
This vulnerability represents a critical cross-site scripting flaw that specifically impacts the Alexandros Georgiou Bitcoin and Altcoin Wallets application. The weakness stems from inadequate input validation and sanitization during the web page generation process, creating an avenue for malicious actors to inject arbitrary script code into the application's response. The reflected nature of this vulnerability means that the malicious script is executed in the victim's browser when they click on a specially crafted link or visit a maliciously constructed webpage that contains the XSS payload. This particular flaw affects all versions of the wallet application from the initial release through version 6.3.1, indicating a long-standing security issue that has persisted across multiple iterations of the software.
The technical implementation of this vulnerability occurs when user-supplied input is directly incorporated into dynamically generated web content without proper sanitization or encoding. When the application processes user requests and includes input parameters in the HTML response, it fails to neutralize potentially malicious content that could contain script tags, event handlers, or other XSS vectors. This improper handling of user input during web page generation creates an environment where an attacker can craft a malicious URL containing script code that gets executed when the victim's browser renders the page. The vulnerability specifically manifests when the application reflects user input back to the browser without adequate security measures, making it particularly dangerous as it requires no persistent storage of malicious content.
The operational impact of this reflected XSS vulnerability is significant and multifaceted within the cryptocurrency wallet context. Attackers could exploit this weakness to steal user session cookies, enabling them to hijack user accounts and gain unauthorized access to cryptocurrency holdings. The vulnerability also allows for more sophisticated attacks such as credential harvesting, session fixation, or redirection to malicious sites that could further compromise user security. Given that this affects a cryptocurrency wallet application, the potential financial impact is severe as attackers could potentially drain user accounts or manipulate transaction data. The reflected nature of the attack means that victims must be tricked into clicking malicious links, but once executed, the attack can have immediate and potentially irreversible consequences for the affected users' digital assets.
Organizations and users should implement multiple layers of defense to mitigate this vulnerability. The most effective immediate solution involves implementing proper input sanitization and output encoding mechanisms throughout the application's codebase, particularly in areas where user input is processed and displayed. The application should employ context-appropriate encoding such as HTML entity encoding for content displayed in web pages, JavaScript encoding for dynamic script generation, and URL encoding for parameters included in URLs. Additionally, implementing Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded and executed. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities in the application's codebase. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and follows ATT&CK technique T1059.007 for script-based attacks. The remediation approach should follow security best practices outlined in OWASP Top Ten and similar industry standards for preventing XSS vulnerabilities in web applications.