kuangstudy KuangSimpleBBS QuestionController.java fileUpload unrestricted upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.
Summary
A vulnerability was found in kuangstudy KuangSimpleBBS 1.0. It has been declared as critical. Affected by this vulnerability is the function fileUpload of the file src/main/java/com/kuang/controller/QuestionController.java. The manipulation of the argument editormd-image-file leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| kuangstudy | KuangSimpleBBS | 1.0 | — | No fix listed | CNA |
- KuangSimpleBBS Vendorkuangstudy Affected 1.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kuangstudy:kuangsimplebbs:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | kuangstudy |
- cpe:2.3:a:kuangstudy:kuangsimplebbs:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·kuangstudy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3830
- 2026-10-03 Alias added: GHSA-f8rv-5fvx-grrj
References
Sources
- CVE-2025-3830 · CVE Program
- CVE-2025-3830 · NVD
- FIRST EPSS
- GHSA-f8rv-5fvx-grrj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences