EUVD Vulnerability Catalog

EUVD-2026-109684

Severity: MEDIUM Base Score: 5.1 CVSS Version: 4.0

Vulnerability Description

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in the web application of the Castile-La Mancha Regional Parliament’s video library. The application embeds user-supplied content into the page without properly sanitising it before it is rendered by the browser. Exploitation of this vulnerability could allow a remote attacker to execute arbitrary JavaScript code in the browser of a victim who interacts with the content crafted for the attack.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): None

▪ User Interaction (UI): Active

▪ Vulnerability Confidentiality Impact (VC): Low

▪ Vulnerability Integrity Impact (VI): Low

▪ Vulnerability Availability Impact (VA): None

▪ Subsequent Confidentiality Impact (SC): Low

▪ Subsequent Integrity Impact (SI): Low

▪ Subsequent Availability Impact (SA): None

Affected Vendors & Systems

Vendor Regional Parliament of Castile-La Mancha

References & Advisory Links

https://www.incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-video-library-regional-parliament-castile

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

INCIBE

EPSS Probability

Known Aliases

CVE-2026-103377

Published On

2026-10-26

Last Updated

2026-10-26