Yamcs Cross-site Scripting vulnerability
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.yamcs:yamcs | < 5.8.7 | 5.8.7 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.yamcs:yamcs- Disclosed
- 20.10.2023
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4cqv-q33x-wfxw - CC BY 4.0
Vulnerability history: org.yamcs:yamcs
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 10.2023 10.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 2
Disclosures per year
- 2023: 4
- 2024: 0
- 2025: 0
- 2026: 0
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Yamcs Cross-site Scripting vulnerability this entry
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