CVE-2026-59664
Received Received - Intake

Cross-Site Scripting in Repasat Application

Publication date: 2026-10-02

Last updated on: 2026-10-02

Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)

Description
Cross-Site Scripting vulnerability in the Repasat application. Successful exploitation of this vulnerability could allow an attacker to trick a user into executing arbitrary code in the victim’s browser. The “nomServicioPrestado” parameter is affected – endpoint “/es/providedservices/store”.

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Meta Information

Published
2026-10-02
Last Modified
2026-10-02
Generated
2026-10-02
AI Q&A
2026-10-02
EPSS Evaluated
N/A
NVD
CVE-2026-59664
EUVD
EUVD-2026-91377

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Cross-Site Scripting (XSS) vulnerability in the Repasat application. It allows an attacker to inject malicious scripts into web pages viewed by users. The vulnerable parameter is 'nomServicioPrestado' in the '/es/providedservices/store' endpoint.

Detection Guidance

To detect this Cross-Site Scripting (XSS) vulnerability in the Repasat application, inspect the 'nomServicioPrestado' parameter in the '/es/providedservices/store' endpoint for improper input validation. Check web server logs for unusual requests containing script tags or payloads targeting this parameter. Use tools like OWASP ZAP or Burp Suite to scan for XSS vulnerabilities in the application.

Impact Analysis

An attacker could trick you into executing arbitrary code in your browser. This might lead to stealing cookies, session tokens, or sensitive data. It could also enable phishing attacks or defacement of trusted websites.

Compliance Impact

XSS vulnerabilities can lead to data breaches, which may violate GDPR (data protection) and HIPAA (health information privacy). Organizations could face fines or legal consequences if user data is compromised through this flaw.

Mitigation Strategies

Immediately apply input validation and output encoding to the 'nomServicioPrestado' parameter. Implement a Web Application Firewall (WAF) to filter malicious payloads. Update the Repasat application to the latest patched version if available. Conduct a security review of all user-supplied inputs in the application.

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