CVE-2025-23975 in Botnet Attack Blocker Plugin
Summary
by MITRE • 02/17/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Botnet Attack Blocker allows Stored XSS. This issue affects Botnet Attack Blocker: from n/a through 2.0.0.
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Analysis
by VulDB Data Team • 02/17/2025
The CVE-2025-23975 vulnerability represents a critical cross-site scripting weakness in the NotFound Botnet Attack Blocker software, specifically classified as a stored XSS flaw that enables persistent malicious script execution within web applications. This vulnerability arises from inadequate input sanitization during web page generation processes, where user-supplied data fails to undergo proper neutralization before being rendered in web interfaces. The affected version range spans from unspecified initial versions through 2.0.0, indicating a persistent security gap that has remained unaddressed across multiple iterations of the botnet attack blocking solution.
The technical implementation of this vulnerability stems from the application's failure to properly validate and sanitize user input that gets stored within the system and subsequently reflected in web pages without appropriate encoding or escaping mechanisms. When malicious actors exploit this weakness, they can inject persistent scripts that execute in the context of other users' browsers who visit affected pages. This stored XSS condition creates a particularly dangerous scenario because the malicious code becomes part of the application's normal content delivery, making it difficult to detect and eliminate through standard security measures. The vulnerability directly maps to CWE-79, which specifically addresses Cross-Site Scripting flaws, and aligns with ATT&CK technique T1588.002 for developing capabilities and T1595.001 for reconnaissance through the potential for attackers to gather sensitive information from authenticated sessions.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the ability to establish persistent footholds within environments protected by the botnet attack blocker. Attackers can leverage this weakness to steal session cookies, perform unauthorized actions on behalf of legitimate users, redirect victims to malicious sites, or extract sensitive data from authenticated sessions. The stored nature of the vulnerability means that once exploited, the malicious payload remains active until manually removed from the system, potentially allowing attackers to maintain long-term access to compromised environments. Organizations relying on this security solution may experience significant operational disruption, as the vulnerability could enable attackers to bypass the very protections the software is designed to provide.
Mitigation strategies for CVE-2025-23975 should prioritize immediate version upgrades to patched releases where available, while implementing additional defensive measures such as comprehensive input validation, output encoding, and Content Security Policy enforcement. Organizations should conduct thorough security assessments of all user input handling mechanisms within the affected application, implement proper sanitization routines for all dynamic content generation, and establish monitoring protocols to detect potential exploitation attempts. The solution architecture should incorporate principle of least privilege access controls, regular security scanning of web applications, and comprehensive logging of user activities to identify anomalous behavior patterns. Additionally, security teams should consider implementing web application firewalls and deploying automated vulnerability scanning tools to prevent similar issues from emerging in other components of the security infrastructure.