EUVD Vulnerability Catalog

EUVD-2026-110643

Severity: HIGH Base Score: 8.3 CVSS Version: 4.0

Vulnerability Description

Cross-Site Scripting (XSS) in the processing of SVG images submitted to the /api/v2/ai/sessions API in the format data:image/svg+xml;base64. Script tags embedded in the SVG are processed when the content is rendered in the assistant window, allowing JavaScript to be executed and the displayed content to be altered.

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:L/UI:A/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): Low

▪ User Interaction (UI): Active

▪ Vulnerability Confidentiality Impact (VC): High

▪ Vulnerability Integrity Impact (VI): Low

▪ Vulnerability Availability Impact (VA): Low

▪ Subsequent Confidentiality Impact (SC): High

▪ Subsequent Integrity Impact (SI): Low

▪ Subsequent Availability Impact (SA): Low

Affected Vendors & Systems

Vendor Sisense

References & Advisory Links

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sisenses-cloud-bi-platform

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

INCIBE

EPSS Probability

0.28

Known Aliases

GHSA-mjhm-mj37-2hg8 CVE-2026-117494

Published On

2026-10-27

Last Updated

2026-11-04