CVE-2024-32587 in EnvíaloSimple Plugin
Summary
by MITRE • 04/18/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EnvialoSimple EnvíaloSimple allows Reflected XSS.This issue affects EnvíaloSimple: from n/a through 2.2.
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Analysis
by VulDB Data Team • 04/05/2025
The CVE-2024-32587 vulnerability represents a critical cross-site scripting flaw in the EnvialoSimple web application that enables attackers to inject malicious scripts into web pages viewed by other users. This vulnerability specifically manifests as a reflected cross-site scripting issue, where malicious input is immediately reflected back to users without proper sanitization or encoding. The affected version range spans from the initial release through version 2.2, indicating this flaw has persisted across multiple iterations of the software. The vulnerability occurs during the web page generation process when user input is not properly neutralized before being rendered in the browser context, creating an avenue for attackers to execute arbitrary JavaScript code in the victim's browser session. This type of vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting flaws in web applications where untrusted data is improperly integrated into web pages without adequate validation or encoding.
The operational impact of this reflected XSS vulnerability extends beyond simple script execution, as it can enable attackers to steal session cookies, perform actions on behalf of authenticated users, redirect victims to malicious sites, or even harvest sensitive information from the application's interface. Attackers can craft malicious URLs containing script payloads that, when clicked by unsuspecting users, will execute the injected code in the victim's browser. The reflected nature of this vulnerability means that the malicious script is not stored on the server but is instead reflected back from the server in response to the malicious input, making it particularly dangerous in phishing campaigns or when users are tricked into clicking specially crafted links. This vulnerability directly aligns with ATT&CK technique T1566.001, which describes phishing attacks using malicious links that exploit XSS vulnerabilities to execute malicious code in user browsers.
The technical exploitation of CVE-2024-32587 requires an attacker to identify input parameters within the EnvialoSimple application that are reflected back to users without proper sanitization. Common vulnerable parameters include URL query strings, form fields, or any user-controllable input that gets processed and displayed in the web interface. The vulnerability essentially allows attackers to inject HTML or JavaScript code that will execute in the context of other users' browsers, potentially leading to complete session hijacking or privilege escalation if the affected users have administrative privileges. Organizations using EnvialoSimple versions within the affected range face significant risk of unauthorized access, data theft, and potential compromise of their entire web application environment. The remediation approach should focus on implementing comprehensive input validation, output encoding, and proper sanitization of all user-supplied data before rendering it in web pages. This includes implementing Content Security Policy headers, using secure coding practices for input handling, and ensuring all user-controllable parameters are properly escaped or validated against known safe character sets. The vulnerability demonstrates the critical importance of proper input validation in web applications and the severe consequences that can arise from failing to implement adequate security controls during web page generation processes.