CVE-2021-47732
MEDIUM EPSS 14.3%
Published Dec 23, 20256mo ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Published Dec 23, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago
Description
CMSimple 5.2 contains a stored cross-site scripting vulnerability in the Filebrowser External input field that allows attackers to inject malicious JavaScript. Attackers can place unfiltered JavaScript code that executes when users click on Page or Files tabs, enabling persistent script injection.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
14.3% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| cmsimple | cmsimple | 5.2 | any |
References 3
- cmsimple.org https://www.cmsimple.org/en/
- exploit-db.com https://www.exploit-db.com/exploits/49751
- vulncheck.com https://www.vulncheck.com/advisories/cmsimple-stored-cross-site-scripting-via-filebrowser-external-input
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.