CVE-2025-63888

Critical

Published: 20 November 2025

Published

20 November 2025

Modified

25 November 2025

KEV Added

—

Patch

—

CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0039 60.2th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-63888 is a critical-severity PHP Remote File Inclusion (CWE-98) vulnerability in Thinkphp Thinkphp. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 39.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190). What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match

prevent

Directly mandates timely identification, reporting, and correction of the RCE vulnerability in ThinkPHP's File.php read function to eliminate the exploitable flaw.

SI-10 Information Input Validation good match

prevent

Requires validation of inputs to the vulnerable read function to block malicious file paths enabling remote file inclusion and subsequent RCE.

RA-5 Vulnerability Monitoring and Scanning good match

detect

Vulnerability scanning and monitoring detects the presence of CVE-2025-63888 in ThinkPHP 5.0.24 deployments for proactive remediation.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

CVE-2025-63888 is an unauthenticated remote code execution vulnerability in the public-facing ThinkPHP web framework, directly enabling exploitation of public-facing applications.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

NVD Description

The read function in file thinkphp\library\think\template\driver\File.php in ThinkPHP 5.0.24 contains a remote code execution vulnerability.

Deeper analysisAI

CVE-2025-63888, published on 2025-11-20, is a remote code execution vulnerability in the read function of the file thinkphp\library\think\template\driver\File.php in ThinkPHP 5.0.24. It has a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) and is associated with CWE-98.

The vulnerability enables remote exploitation over the network with low attack complexity, requiring no privileges or user interaction. Unauthenticated attackers can leverage it to achieve high impacts on confidentiality, integrity, and availability, resulting in arbitrary remote code execution on affected systems.

Advisories with further details, including potential mitigation guidance, are available at the following references: https://gist.github.com/Master-0-0/0bf54cbb335b586b42b0db0db804e7aa and https://www.yuque.com/lcc316/df0kgm/mglhbxltgbmzfh2s.