CVE-2021-27940
openark/orchestrator cross-site scripting vulnerability
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
CVE-2021-27940- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
CVE-2021-27940- Updated
- 2026-11-02
EUVDEUVD-2022-2918 No score
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
EUVD-2022-2918- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-752c-vfpf-cp2w
openark/orchestrator cross-site scripting vulnerability
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
GHSA-752c-vfpf-cp2w- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
CVE-2021-27940- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-752c-vfpf-cp2w
openark/orchestrator cross-site scripting vulnerability
resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.
- Record
GHSA-752c-vfpf-cp2w- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/openark/orchestratorGo |
before 3.2.4 | 3.2.4 |
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-2021-27940 is a medium vulnerability (CVSS 6.1) in Openark Orchestrator, published March 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.24%, the 69th percentile. Fixed in github.com/openark/orchestrator 3.2.4.