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Fencer Vulns
medium 6.8

CVE-2023-4422 json

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

published 2023-08-18 3 y ago modified 2026-06-17 4 mo ago also GHSA-8m65-qq6g-43rr , EUVD-2023-2247

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit prior to 2.6.3.

Patch / fix

  • packagist cockpit-hq/cockpit 2.6.3
  • cockpit-hq cockpit-hq/cockpit 2.6.3
  • cockpit-hq cockpit 2.6.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/2e12b773-b6a2-48da-a4bb-55d5d1307d2e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
GitHub 3.0 6.8 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist cockpit-hq/cockpit
<2.6.3
2.6.3

Affected products

  • cockpit-hq cockpit-hq/cockpit
  • cockpit-hq cockpit

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.