CVE-2025-30826 in IP Locator Plugin
Summary
by MITRE • 03/27/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pierre Lannoy IP Locator allows DOM-Based XSS. This issue affects IP Locator: from n/a through 4.1.0.
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Analysis
by VulDB Data Team • 03/27/2025
The CVE-2025-30826 vulnerability represents a critical cross-site scripting weakness in the Pierre Lannoy IP Locator plugin, specifically manifesting as a DOM-based XSS flaw that undermines web application security. This vulnerability exists within the web page generation process where input data fails to undergo proper sanitization before being incorporated into dynamic content. The issue affects all versions of the IP Locator plugin from the initial release through version 4.1.0, indicating a persistent flaw that has remained unaddressed across multiple iterations of the software.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization mechanisms within the plugin's codebase. When user-provided data is processed and subsequently rendered in the browser environment, the application fails to properly neutralize potentially malicious script content that could be embedded within the input parameters. This DOM-based XSS vulnerability operates by manipulating the Document Object Model directly through client-side script execution, allowing attackers to inject malicious code that executes within the victim's browser context without requiring server-side processing.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it provides attackers with the capability to execute arbitrary code within the victim's browser environment. This weakness can be exploited to perform actions such as stealing cookies, redirecting users to malicious sites, defacing web pages, or even establishing persistent backdoors through more sophisticated attack vectors. The vulnerability's presence in the IP Locator plugin means that any website utilizing this component becomes susceptible to these attacks, particularly when the plugin processes user input or external data sources for IP address lookups.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and it maps directly to ATT&CK technique T1059.007 for command and scripting interpreter. The DOM-based nature of the vulnerability places it within the broader category of client-side attack vectors that bypass traditional server-side security controls. Organizations utilizing the affected plugin should immediately implement mitigations including input validation, output encoding, and content security policy enforcement to prevent exploitation. The vulnerability underscores the critical importance of proper input sanitization in web applications and highlights the necessity of comprehensive security testing throughout the software development lifecycle to identify and remediate such flaws before they can be exploited in the wild.