CVE-2026-59665
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 “nomMotivo” parameter is affected – endpoint “/es/lostmotives/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-2026-59665
EUVD
EUVD-2026-91363

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

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 affects the 'nomMotivo' parameter at the '/es/lostmotives/store' endpoint. An attacker could exploit this to inject malicious scripts into a user's browser session.

Detection Guidance

To detect this XSS vulnerability in the Repasat application, inspect HTTP requests and responses for the 'nomMotivo' parameter in the '/es/lostmotives/store' endpoint. Look for unusual or malicious input in this parameter that could indicate exploitation attempts.

Impact Analysis

Exploitation could trick users into executing arbitrary code in their browser. This may lead to session hijacking, theft of sensitive data, or unauthorized actions on behalf of the user.

Compliance Impact

XSS vulnerabilities can compromise data confidentiality and integrity, potentially violating GDPR (data protection) and HIPAA (health data security) requirements. Organizations may face compliance violations if user data is exposed.

Mitigation Strategies

Apply the latest security patch for Repasat, specifically the April update version '20260402'. If patching is not immediately possible, implement input validation and output encoding for the 'nomMotivo' parameter to prevent malicious script injection.

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