CVE-2017-14521
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to...
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
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
What each source reports
NVD Score used
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
- Record
CVE-2017-14521- 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 List No score
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
- Record
CVE-2017-14521- Updated
- 2026-11-02
EUVDEUVD-2017-6022 No score
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
- Record
EUVD-2017-6022- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-35x3-rj44-584q
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to...
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
- Record
GHSA-35x3-rj44-584q- 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
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
- Record
CVE-2017-14521- 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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Wonder CMS 2.3.1 - Unrestricted File Upload | 2018-02-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-14521 is a high vulnerability (CVSS 8.8) in Wondercms, published January 26, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.30%, the 94th percentile. No source names a fixed version.
