What is CVE-2023-4395?

CVE-2023-4395 is a medium-severity vulnerability in Agentejo Cockpit, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-17.

How severe is CVE-2023-4395?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Agentejo Cockpit

CVE-2023-4395

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-08-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Agentejo Cockpit
Cockpit-Hq Cockpit-Hq/cockpit — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/60e38563-7ac8-4a13-ac04-2980cc48b0da (Exploit, Patch, Third Party Advisory)
github.com/cockpit-hq/cockpit/commit/36d1d4d256cbbab028342ba10cc493e5c119172c (Patch)

Frequently asked questions

What is CVE-2023-4395?: CVE-2023-4395 is a medium-severity vulnerability in Agentejo Cockpit, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-17.
How severe is CVE-2023-4395?: Medium severity. CVSS v3 base score is 5.4 out of 10.