CVE-2017-18048
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution...
CVE-2017-18048 is a high vulnerability (CVSS 8.8) in Monstra, published January 23, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 63.4%, the 99th percentile. No source names a fixed version.
- Severity
- 8.8 HighCVSS 3.0, NVD
- Exploit chance
- 63.4%EPSS, 99th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Monstra CMS Authenticated Arbitrary File Upload | 2017-12-18 |
What each source reports
NVD Score used
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
- Record
CVE-2017-18048- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE ListNo score
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
- Record
CVE-2017-18048- Updated
- 2026-11-02
EUVDEUVD-2017-9188No score
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
- Record
EUVD-2017-9188- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9gjw-qvrh-6f5r
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution...
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
- Record
GHSA-9gjw-qvrh-6f5r- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.
- Record
CVE-2017-18048- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
