Vulnerability · Published Dec 23, 2025 · Assigned by VulnCheck
CVE-2021-47736CMSimple_XH 1.7.4 Authenticated Remote Code Execution via Content Editing
High 7.2
In plain English
A high-severity code injection in CMSimple_XH from Cmsimple-Xh. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)1.1%top 34.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functionality that allows administrative users to upload malicious PHP files. Attackers with valid credentials can exploit the CSRF token mechanism to create a PHP shell file that enables arbitrary command execution on the server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cmsimple-Xh | CMSimple_XH | 1.7.4 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-50367 exploit
- Official Vendor Homepage product
- VulnCheck Advisory: CMSimple_XH 1.7.4 Authenticated Remote Code Execution via Content Editing third-party-advisory