Cross-site Scripting (XSS) - Reflected in GitHub repository cockpit-hq/cockpit prior to 2.6.4.
CVE-2023-4451
MEDIUMNVD 6.16.1—Elevated
EchelonGraph scoreMEDIUM confidence
Score 6.1 from GitHub Security Advisory published 2023-08-20. NVD baseline CVSS 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 6.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EG Risk
- —
- EPSS
- 81.4%
- KEV
- Not listed
Published
August 20, 2023
Last Modified
June 17, 2026
References (5)
- security@huntrhttps://github.com/cockpit-hq/cockpit/commit/30609466c817e39f9de1871559603e93cd4d0d0c
- security@huntrhttps://huntr.dev/bounties/4e111c3e-6cf3-4b4c-b3c1-a540bf30f8fa
- af854a3a-2127-422b-91ae-364da2661108https://github.com/MarkLee131/awesome-web-pocs/blob/main/CVE-2023-4451.md
- af854a3a-2127-422b-91ae-364da2661108https://github.com/cockpit-hq/cockpit/commit/30609466c817e39f9de1871559603e93cd4d0d0c
- af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/4e111c3e-6cf3-4b4c-b3c1-a540bf30f8fa
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| composer | cockpit-hq/cockpit | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| cockpit-hq/cockpit | 2.0.0 ... 2.6.3 (28 versions) | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2023/CVE-2023-4451.yamlFirst seen Jan 1, 2023
Cockpit - Cross-Site Scripting
Open source ↗
Frequently asked(5)
What is CVE-2023-4451?
CVE-2023-4451 is a medium vulnerability published on August 20, 2023. Cross-site Scripting (XSS) - Reflected in GitHub repository cockpit-hq/cockpit prior to 2.6.4.
When was CVE-2023-4451 disclosed?
CVE-2023-4451 was first published in the National Vulnerability Database on August 20, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4451 actively exploited?
CVE-2023-4451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-4451?
CVE-2023-4451 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2023-4451?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4451, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-4451
Is Your Infrastructure Affected by CVE-2023-4451?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.