CVE-2026-40212

State: Published
Severity: 5.4 Medium
Published: Apr 10, 2026
Updated: Apr 10, 2026
Reserved: Apr 10, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	mitre

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
SkylineOpenStack	before 5.0.1Affected 6.0.0Affected 7.0.0Affected

References

https://bugs.launchpad.net/skyline-console/+bug/2138575
https://review.opendev.org/973351
https://www.openwall.com/lists/oss-security/2026/04/09/30
https://security.openstack.org/ossa/OSSA-2026-006.html

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