CVE-2026-40212

MEDIUM EPSS 12.3%

Published Apr 10, 20262mo ago · Modified Jun 17, 20262w ago

5.4 CVSS 3.1

Medium

Published Apr 10, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

5.4

Exploitability

2.3

Impact

2.7

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

12.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.