CVE-2018-20062: ThinkPHP "noneCms" Remote Code Execution Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 99.5% chance of exploitation in the next 30 days.

An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code via crafted use of the filter parameter, as demonstrated by the s=index/\think\Request/input&filter=phpinfo&data=1 query string.

Affected products

• 5none noneCms: version 1.3.0 only

Published 2018-12-11. Last modified 2026-06-17.