CVE-2022-31943
Unrestricted Upload of File with Dangerous Type in MCMS
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
- Record
CVE-2022-31943- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
- Record
CVE-2022-31943- Updated
- 2026-11-02
EUVDEUVD-2022-6226 No score
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
- Record
EUVD-2022-6226- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4828-473v-37gh
Unrestricted Upload of File with Dangerous Type in MCMS
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
- Record
GHSA-4828-473v-37gh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVGHSA-4828-473v-37gh
Unrestricted Upload of File with Dangerous Type in MCMS
MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.
- Record
GHSA-4828-473v-37gh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
net.mingsoft:ms-mcmsMaven |
5.2.8 to 5.2.8 | None known |
net.mingsoft:ms-mcmsMaven |
Listed versions 5.2.8 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-31943 is a critical vulnerability (CVSS 9.8) in Mingsoft Mcms, published July 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. No source names a fixed version.