Cross-site Scripting (XSS) - Reflected in structurizr/onpremises
Priority HIGH 66CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site Scripting (XSS) - Reflected in GitHub repository structurizr/onpremises prior to 3194.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01274 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed structurizr/onpremises (structurizr): 3194
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| structurizr | structurizr/onpremises | before 3194 | 3194 | Patch available | CNA |
- structurizr/onpremises Vendorstructurizr Affected before 3194 Fixed in 3194 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:structurizr:on-premises_installation:*:*:*:*:*:*:*:* | before 3194 | Vulnerable | structurizr |
- cpe:2.3:a:structurizr:on-premises_installation:*:*:*:*:*:*:*:* Versions before 3194 Vulnerable ·structurizr
Remediation
- Fix · CNA structurizr/onpremises (structurizr) Fixed in 3194
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5556
- 2026-10-03 Alias added: GHSA-gwm9-m7h8-rhm9
References
Sources
- CVE-2023-5556 · CVE Program
- CVE-2023-5556 · NVD
- FIRST EPSS
- GHSA-gwm9-m7h8-rhm9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences