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 with malicious function parameters to execute system commands with application privileges.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Thinkphp — versions 5.0.23, 5.1.31
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45978 (Exploit, VDB Entry, Third Party Advisory, exploit)
- thinkphp.cn (product, Broken Link)
- github.com/top-think/framework/ (Product, product)
- www.vulncheck.com/advisories/thinkphp-remote-code-execution-via-invokefunction (Third Party Advisory, 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.