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CVE-2023-4321

Cross-site Scripting (XSS) - Stored in cockpit-hq/cockpit

8.3 High

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.4.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
Low

Exploit likelihood

0.64%Up 0.6 points since Aug 15, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.3

Cross-site Scripting (XSS) - Stored in cockpit-hq/cockpit

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.4.3.

Record
CVE-2023-4321
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2023-2199 8.3

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.4.3.

Record
EUVD-2023-2199
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-3vf5-xm2p-6mh5 8.3

Cockpit Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit 2.6.2 and prior. A patch is available at commit 34ab31ee9362da51b9709e178469dbffd7717249.

Record
GHSA-3vf5-xm2p-6mh5
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD 6.1

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.4.3.

Record
CVE-2023-4321
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-79
Updated
2026-11-02
OSV 8.3

Cross-site Scripting (XSS) - Stored in cockpit-hq/cockpit

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.4.3.

Record
CVE-2023-4321
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-3vf5-xm2p-6mh5 8.3

Cockpit Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit 2.6.2 and prior. A patch is available at commit 34ab31ee9362da51b9709e178469dbffd7717249.

Record
GHSA-3vf5-xm2p-6mh5
CVSS 3.0
8.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cockpit-hq/cockpit
Packagist
 through 2.6.2 None known
cockpit-hq/cockpit
Packagist
 through 2.6.2, plus listed versions
2.0.02.0.12.0.22.1.02.1.1
Show 21 moreShow less
2.1.22.2.02.2.12.2.22.3.02.3.12.3.22.3.32.3.42.3.52.3.62.3.72.3.82.3.92.4.02.4.12.5.02.5.12.5.22.6.02.6.1
 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-4321 is a high vulnerability (CVSS 8.3) in Agentejo Cockpit, published August 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.

References

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