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

> CVE-2018-20062: ThinkPHP "noneCms" Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-20062
Last updated: 2025-10-21T23:45:46Z

- Published: 2018-12-11 18:00 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 99.5%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- ThinkPHP: noneCms

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-20062)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-20062)
- [http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html](http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html)
- [https://github.com/nangge/noneCms/issues/21](https://github.com/nangge/noneCms/issues/21)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2018-20062 · Markdown: https://rewindex.com/cve/CVE-2018-20062.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-20062 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:46:27.144Z