Wiz
Vulnerability DatabaseCVE-2023-4321

CVE-2023-4321: 
PHP vulnerability analysis and mitigation

Overview

A stored Cross-site Scripting (XSS) vulnerability was discovered in GitHub repository cockpit-hq/cockpit prior to version 2.4.3. The vulnerability was disclosed on August 14, 2023 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 6.1 (MEDIUM) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. An alternative assessment by huntr.dev rated it as HIGH severity with a CVSS score of 8.3 (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 allows for stored Cross-site Scripting attacks, which could potentially lead to unauthorized access to sensitive information and manipulation of web content (NVD).

Mitigation and workarounds

The vulnerability has been patched in version 2.4.3 of the Cockpit application. Users are advised to upgrade to this version or later to mitigate the risk (Github Patch).

Additional resources

Source: This report was generated using AI

Related PHP vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-898v-775g-777cCRITICAL9.4
  • PHPPHP
  • neuron-core/neuron-ai
NoYesDec 09, 2025
GHSA-5j8p-438x-rgg5CRITICAL9.3
  • PHPPHP
  • onelogin/php-saml
NoYesDec 09, 2025
GHSA-j8g6-5gqc-mq36HIGH8.2
  • PHPPHP
  • neuron-core/neuron-ai
NoYesDec 09, 2025
GHSA-pvcv-q3q7-266gHIGH8.1
  • PHPPHP
  • filament/filament
NoYesDec 09, 2025
GHSA-6w82-v552-wjw2HIGH7.1
  • PHPPHP
  • shopware/shopware
NoYesDec 09, 2025

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

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

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
Get a demo