CVE-2023-45280: Spaceapplications Yamcs

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Yamcs 5.8.6 allows XSS (issue 2 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload an HTML file containing arbitrary JavaScript and then navigate to it. Once the user opens the file, the browser will execute the arbitrary JavaScript.

Affected products

• Spaceapplications Yamcs: version 5.8.6 only

Published 2023-10-19. Last modified 2026-06-17.