CVE-2024-55239 in i-Educar
Summary
by MITRE • 12/19/2024
A reflected Cross-Site Scripting vulnerability in the standard documentation upload functionality in Portabilis i-Educar 2.9 allows attacker to craft malicious urls with arbitrary javascript in the 'titulo_documento' parameter.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 06/22/2025
The vulnerability identified as CVE-2024-55239 represents a critical reflected cross-site scripting flaw within the Portabilis i-Educar 2.9 educational management system. This security weakness specifically targets the standard documentation upload functionality, where user input is not properly sanitized before being rendered back to the browser. The vulnerability manifests when an attacker crafts malicious URLs containing arbitrary javascript code within the 'titulo_documento' parameter, which gets reflected back to the victim's browser without adequate validation or encoding mechanisms.
The technical exploitation of this vulnerability occurs through the manipulation of the documentation upload interface, where the application fails to implement proper input sanitization for the titulo_documento field. When a victim clicks on the maliciously crafted URL, the javascript payload embedded within the parameter gets executed in the victim's browser context, potentially leading to session hijacking, credential theft, or redirection to malicious sites. This reflected XSS vulnerability operates at the application layer and leverages the trust relationship between the user and the web application to deliver malicious payloads that persist only for the duration of the user's session or until the page is refreshed.
From an operational impact perspective, this vulnerability creates significant risk for educational institutions using Portabilis i-Educar 2.9, as it allows attackers to compromise user sessions and potentially gain unauthorized access to sensitive educational data. The attack vector is particularly concerning because it requires minimal user interaction beyond clicking a malicious link, making it susceptible to social engineering campaigns. The vulnerability affects the confidentiality and integrity of the system, as attackers could potentially steal session cookies, modify user permissions, or inject malicious content that would be visible to other users. According to CWE classification, this represents a CWE-79: Improper Neutralization of Input During Web Page Generation, which is a fundamental web application security weakness.
The mitigation strategies for CVE-2024-55239 should focus on implementing comprehensive input validation and output encoding mechanisms within the application's documentation upload functionality. Organizations should immediately apply the vendor-provided security patches or updates to address this vulnerability. Additionally, implementing Content Security Policy headers, proper HTML encoding of user-supplied content, and input validation routines that sanitize all parameters including titulo_documento can significantly reduce the attack surface. Security teams should also consider deploying web application firewalls that can detect and block malicious payloads targeting this specific vulnerability. The remediation process should align with ATT&CK framework's T1566.001 technique for phishing, as this vulnerability could be exploited through phishing campaigns targeting educational institutions. Regular security assessments and input validation testing should be implemented to prevent similar vulnerabilities in other application components. Organizations should also establish proper incident response procedures to handle potential exploitation attempts and monitor for suspicious user activities that might indicate successful exploitation of this XSS vulnerability.