XSS in Spaceapplications Yamcs

CVE-2023-45279

Yamcs 5.8.6 allows XSS (issue 1 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 a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from the menu and navigating to the display.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-45279?
CVE-2023-45279 is a medium-severity vulnerability in Spaceapplications Yamcs, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-10-19.
How severe is CVE-2023-45279?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-45279 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.