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Vulnerability record · CVE-2023-45279 · published 19 October 2023

CVE-2023-45279: Spaceapplications yamcs cross-site scripting vulnerability

Spaceapplications · Yamcs

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.

5.4 CVSS 3.1 Medium EPSS 0.43% · top 65.3% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7 Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies ExploitThird Party Advisory
https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7 Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-45279), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.