CVE-2023-48966
PHP vulnerability analysis and mitigation

Overview

An arbitrary file upload vulnerability was discovered in ThinkAdmin v6.1.53, specifically in the component /admin/api.upload/file. The vulnerability was assigned CVE-2023-48966 and was disclosed in December 2023. This vulnerability affects the ThinkAdmin framework, which is an open-source rapid development framework based on ThinkPHP6 (GitHub Advisory).

Technical details

The vulnerability allows attackers to execute arbitrary code through uploading a crafted ZIP file via the /admin/api.upload/file endpoint. The issue has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) (NVD).

Impact

The vulnerability allows attackers to achieve arbitrary code execution on the affected system. This could potentially lead to complete system compromise, allowing attackers to execute commands, access sensitive data, and potentially gain full control of the affected server (GitHub Advisory).

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