What’s Vulnerable › Vulnerabilities

CVE-2023-4321: Cross-site Scripting (XSS) - Stored in cockpit-hq/cockpit

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-14 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• cockpit-hq/cockpit: before 2.4.3 — fixed in 2.4.3

How to fix

Upgrade to a fixed version: cockpit-hq/cockpit 2.4.3. Check the vendor advisory for mitigations.

References

• https://github.com/cockpit-hq/cockpit/commit/34ab31ee9362da51b9709e178469dbffd7717249
• https://huntr.dev/bounties/fce38751-bfd6-484c-b6e1-935e0aa8ffdc
• https://github.com/cockpit-hq/cockpit/commit/34ab31ee9362da51b9709e178469dbffd7717249
• https://huntr.dev/bounties/fce38751-bfd6-484c-b6e1-935e0aa8ffdc

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