CVE-2023-45279
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-45279- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-45279- Updated
- 2026-11-02
EUVDEUVD-2023-2643 No score
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.
- Record
EUVD-2023-2643- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4cqv-q33x-wfxw
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.
- Record
GHSA-4cqv-q33x-wfxw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-4cqv-q33x-wfxw
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.
- Record
GHSA-4cqv-q33x-wfxw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2023-45279- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.yamcs:yamcsMaven |
before 5.8.7 | 5.8.7 |
org.yamcs:yamcsMaven |
before 5.8.7, plus listed versions 0.29.30.30.03.0.03.1.03.1.1 Show 45 moreShow less3.1.23.2.03.2.13.2.23.3.03.3.13.4.03.4.13.4.113.4.23.4.33.4.43.4.53.4.63.4.84.0.04.0.14.1.14.1.24.10.04.10.14.10.24.10.34.10.44.10.54.10.64.10.74.10.84.10.94.2.04.2.14.2.24.3.04.3.14.4.04.4.14.4.24.5.04.6.04.6.14.6.24.6.34.74.7.14.7.3 |
5.8.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-45279 is a medium vulnerability (CVSS 5.4) in Spaceapplications Yamcs, published October 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in org.yamcs:yamcs 5.8.7.
References
github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7
linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies
nvd.nist.gov/vuln/detail/CVE-2023-45279
Left out here: 65 versions. The JSON record has them.