CVE-2026-59666
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 “nomOrigen” parameter is affected – endpoint “/es/origins/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-2026-59666
EUVD
EUVD-2026-91365

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 'nomOrigen' parameter in the '/es/origins/store' endpoint. An attacker could exploit this to inject malicious scripts into a user's browser, potentially tricking them into executing arbitrary code.

Impact Analysis

An attacker could use this vulnerability to steal user sessions, deface websites, or perform actions on behalf of the user. It requires user interaction, such as clicking a malicious link, but could lead to unauthorized access or data theft.

Compliance Impact

XSS vulnerabilities can lead to data breaches, which may violate GDPR (data protection) and HIPAA (health information privacy). Compliance could be impacted if user data is compromised due to this flaw.

Mitigation Strategies

Update the Repasat application to the latest version, specifically the April update version '20260402' or later, as the vulnerability has been patched in this release.

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