CVE-2026-40212

MEDIUM

OpenStack Skyline < 5.0.1, 6.0.0, 7.0.0 - DOM-based Cross-Site Scripting via Unsafe document.write

Title source: llm
STIX 2.1

Description

OpenStack Skyline before 5.0.1, 6.0.0, and 7.0.0 has a DOM-based Cross-Site Scripting (XSS) vulnerability in the console because document.write is used unsafely, which is relevant in scenarios where administrators use the console web interface to view instance console logs.

References (4)

Core 4

Scores

CVSS v3 5.4
EPSS 0.0022
EPSS Percentile 12.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
OpenStack/Skyline < 5.0.1
OpenStack/Skyline 6.0.0
OpenStack/Skyline 7.0.0
Published Apr 10, 2026
Tracked Since Apr 10, 2026