CVE-2023-4433
PHP vulnerability analysis and mitigation

Overview

A Stored Cross-site Scripting (XSS) vulnerability was identified in GitHub repository cockpit-hq/cockpit versions prior to 2.6.4. The vulnerability was assigned CVE-2023-4433 and was disclosed on August 18, 2023 (NVD).

Technical details

The vulnerability has been assessed with different CVSS scores by multiple sources. The NVD assigned a CVSS v3.1 Base Score of 5.4 (MEDIUM) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while huntr.dev assessed it at 8.3 (HIGH) with vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

Impact

The vulnerability could allow attackers to execute stored cross-site scripting attacks, potentially leading to unauthorized access to sensitive information and manipulation of web content (NVD).

Mitigation and workarounds

Users are advised to upgrade to Cockpit version 2.6.4 or later which contains the security fix. The patch addresses the mime type detection on asset upload functionality (Github Patch).

Additional resources


SourceThis report was generated using AI

Related PHP vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-21857HIGH8.3
  • PHPPHP
  • redaxo/source
NoYesJan 07, 2026
CVE-2025-61676MEDIUM6.1
  • PHPPHP
  • october/system
NoYesJan 10, 2026
CVE-2025-61674MEDIUM6.1
  • PHPPHP
  • october/system
NoYesJan 10, 2026
CVE-2026-21896MEDIUM5.8
  • PHPPHP
  • getkirby/cms
NoYesJan 08, 2026
CVE-2026-22242MEDIUM4.9
  • PHPPHP
  • coreshop/core-shop
NoYesJan 08, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management