What is CVE-2018-25270?

CVE-2018-25270 is a critical-severity vulnerability in Thinkphp, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-04-22.

How severe is CVE-2018-25270?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Thinkphp

CVE-2018-25270

ThinkPHP 5.0.23 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by invoking functions through the routing parameter. Attackers can craft requests to the index.php endpoint…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.014 (80.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Thinkphp — versions 5.0.23, 5.1.31

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

ExploitDB-45978 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: ThinkPHP 5.0.23 Remote Code Execution via invokefunction (third-party-advisory)

Frequently asked questions

What is CVE-2018-25270?: CVE-2018-25270 is a critical-severity vulnerability in Thinkphp, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-04-22.
How severe is CVE-2018-25270?: Critical severity. CVSS v3 base score is 9.8 out of 10.