CVE-2025-7109: Portabilis i-Educar XSS Vulnerability

CVE-2025-7109 Overview

CVE-2025-7109 is a stored cross-site scripting (XSS) vulnerability [CWE-79] in Portabilis i-Educar 2.9.0. The flaw resides in the Student Benefits Registration component, specifically in /intranet/educar_aluno_beneficio_lst.php. Attackers can inject malicious script content through the Benefício parameter, which the application renders back to users without proper sanitization. The exploit has been publicly disclosed, and the vendor did not respond to disclosure attempts. Successful exploitation requires an authenticated low-privilege user and user interaction to trigger the payload in a victim's browser.

Critical Impact
Authenticated attackers can inject JavaScript into the Student Benefits list, enabling session hijacking, credential theft, or unauthorized actions in the context of other i-Educar users.

Affected Products

Portabilis i-Educar 2.9.0
Component: Student Benefits Registration (educar_aluno_beneficio_lst.php)
Deployments exposing the /intranet/ interface to authenticated users

Discovery Timeline

2025-07-07 - CVE-2025-7109 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-7109

Vulnerability Analysis

The vulnerability is a classic reflected or stored cross-site scripting flaw in the Portabilis i-Educar school management platform. The affected script /intranet/educar_aluno_beneficio_lst.php handles the listing of student benefits within the intranet portal. When the application processes the Benefício (Benefit) argument, it fails to encode or filter HTML control characters before rendering the value in the response page. An attacker with valid low-privilege credentials can submit crafted input that the browser interprets as executable script.

Because the payload executes within the trusted origin of the i-Educar application, it inherits the victim's session context. This enables theft of session cookies, forgery of privileged requests, or defacement of internal pages. The vendor did not acknowledge the disclosure, so no coordinated remediation was released at publication.

Root Cause

The root cause is missing output encoding and input validation on the Benefício parameter processed by educar_aluno_beneficio_lst.php. User-supplied data is concatenated into HTML output without escaping characters such as <, >, and ". This violates standard defense practices for [CWE-79] Improper Neutralization of Input During Web Page Generation.

Attack Vector

Exploitation occurs remotely over the network. An authenticated attacker submits a script payload via the Student Benefits Registration feature, and the payload triggers when another user views the affected list. The attack requires user interaction, meaning a victim must load the page containing the injected content. Public proof-of-concept material is available through the GitHub PoC Repository and the VulDB Threat Intelligence Report.

No verified exploit code is included here. Refer to the linked disclosure for technical reproduction details.

Detection Methods for CVE-2025-7109

Indicators of Compromise

HTTP requests to /intranet/educar_aluno_beneficio_lst.php containing <script>, onerror=, onload=, or encoded variants in the Benefício parameter
Unexpected outbound requests from user browsers to attacker-controlled domains after loading the benefits list
Anomalous session cookie access or session reuse from unfamiliar IP addresses following visits to the affected page

Detection Strategies

Deploy a web application firewall (WAF) rule that inspects the Benefício parameter for HTML tags, event handlers, and JavaScript URI schemes
Review application logs for POST or GET requests to educar_aluno_beneficio_lst.php with parameter lengths or character sets inconsistent with normal benefit names
Correlate authenticated user sessions with outbound DNS or HTTP requests to previously unseen domains after intranet activity

Monitoring Recommendations

Enable verbose access logging on the /intranet/ path and forward logs to a centralized analytics platform for query and retention
Monitor Content Security Policy (CSP) violation reports if a CSP is configured, since blocked inline scripts can indicate injection attempts
Alert on repeated administrator or teacher account access from atypical geographies shortly after benefit list rendering

How to Mitigate CVE-2025-7109

Immediate Actions Required

Restrict access to /intranet/educar_aluno_beneficio_lst.php to trusted network segments or VPN users until a vendor fix is available
Audit existing entries in the Student Benefits table and remove any records containing HTML or JavaScript syntax
Rotate session tokens and credentials for accounts that may have viewed malicious benefit entries

Patch Information

At the time of the NVD entry, Portabilis had not responded to the disclosure and no official patch was published. Monitor the Portabilis i-Educar repository for security updates and apply them once released. Track the VulDB entry #315020 for updates on remediation status.

Workarounds

Deploy a WAF rule that blocks requests to the affected endpoint when the Benefício parameter contains <, >, javascript:, or common event handler prefixes
Enforce a strict Content Security Policy that disallows inline scripts and limits script sources to trusted origins
Apply server-side output encoding at the reverse proxy or template layer for known-affected parameters until an upstream patch is available
Limit the assignment of accounts that can create benefit records to a minimal set of trusted administrators

bash

# Example ModSecurity rule to block script payloads in the Benefício parameter
SecRule ARGS:Benefício "@rx (?i)(<script|onerror=|onload=|javascript:)" \
    "id:1007109,phase:2,deny,status:403,\
    msg:'CVE-2025-7109 XSS attempt in i-Educar Student Benefits',\
    logdata:'Matched Data: %{MATCHED_VAR}',\
    tag:'application-multi',tag:'attack-xss'"