CVE-2026-59661
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 “nomRuta” parameter is affected – endpoint “/es/routes/update/693”.

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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-2026-59661
EUVD
EUVD-2026-91383

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 a web page viewed by a user. The vulnerable parameter is 'nomRuta' in the endpoint '/es/routes/update/693'.

Detection Guidance

To detect this Cross-Site Scripting (XSS) vulnerability in the Repasat application, inspect the 'nomRuta' parameter in the '/es/routes/update/693' endpoint for improper input validation. Check if user-supplied input is reflected in the response without proper sanitization. Use browser developer tools or tools like Burp Suite to monitor requests and responses for suspicious payloads.

Impact Analysis

An attacker could trick you into executing arbitrary code in your browser. This might lead to theft of session cookies, account takeover, or unauthorized actions on your behalf while using the application.

Compliance Impact

XSS vulnerabilities can lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality principles. For HIPAA, it may risk exposure of protected health information if exploited.

Mitigation Strategies

Immediately apply input validation and output encoding to the 'nomRuta' parameter. Sanitize all user inputs to prevent script execution. Update the application to the latest patched version if available. Implement Content Security Policy (CSP) headers to mitigate the impact of XSS attacks.

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