CVE-2018-20062
Published 2018-12-11 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2018-20062 is a critical-severity (CVSS 9.8) vulnerability in ThinkPHP noneCms. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 3, 2022. CISA does not currently list it as used in ransomware campaigns. ThinkPHP has 2 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 2 known-exploited ThinkPHP vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: ThinkPHP — noneCms
Name: ThinkPHP "noneCms" Remote Code Execution Vulnerability
Date added: 2021-11-03 · Due: 2022-05-03
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html
- https://github.com/nangge/noneCms/issues/21
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html
- https://github.com/nangge/noneCms/issues/21
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20062