🛡️ CVE-2023-4395 — cockpit

🟠 CVSS 8.0 — High ⚠️ Exploit Public CWE-79 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cockpit Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit 2.6.3 and prior. A patch is available at commit 36d1d4d256cbbab028342ba10cc493e5c119172c and anticipated to be part of version 2.6.4.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2023-4395 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2023-4395 is recorded against 2 packages.

  • cockpit (fixed in 2.6.4)
  • cockpit-hq/cockpit

Timeline and source

Published on 17 August 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
huntr.dev
github.com
huntr.dev

Details

Severity MEDIUM
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ⚠️ Yes
Source NVD
Published 2023-08-17
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
cockpit — 2.6.4
cockpit-hq/cockpit — —

Similar Threats

Exploit Protection

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CVE-2023-4395 carries CVSS 8.0 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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