CVE-2026-59670
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 “nomListaValidacion” parameter is affected – endpoint “/es/validationslists/assignList/Employee/45659”.

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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-2026-59670
EUVD
EUVD-2026-91325

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 specific affected parameter is 'nomListaValidacion' in the endpoint '/es/validationslists/assignList/Employee/45659'.

Detection Guidance

To detect this XSS vulnerability, inspect web traffic for requests to the /es/validationslists/assignList/Employee/45659 endpoint with the nomListaValidacion parameter containing suspicious input. Use tools like Burp Suite or OWASP ZAP to intercept and analyze requests for XSS payloads in the parameter.

Impact Analysis

An attacker could trick you into executing arbitrary code in your browser. This could lead to theft of session cookies, login credentials, or other sensitive data. It may also allow the attacker to perform actions on your behalf without your knowledge.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection. Organizations may face fines or legal consequences if this vulnerability results in a data breach.

Mitigation Strategies

Immediately validate and sanitize all inputs for the nomListaValidacion parameter. Implement output encoding when rendering user-supplied data. Update the Repasat application to the latest patched version if available. Consider deploying a WAF to filter malicious requests targeting this endpoint.

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