What’s Vulnerable › Vulnerabilities

CVE-2023-45279

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-19 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• yamcs: 5.8.6

References

• https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7
• https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies
• https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7
• https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies

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