zhangyanbo2007 youkefu MediaController.java upload 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, which was classified as critical, was found in zhangyanbo2007 youkefu up to 4.2.0. Affected is the function Upload of the file \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to launch the attack 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 |
|---|---|---|---|---|---|
| zhangyanbo2007 | youkefu | 4.0; 4.1; 4.2.0 | — | No fix listed | CNA |
- youkefu Vendorzhangyanbo2007 Affected 4.0; 4.1; 4.2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zhangyanbo2007:youkefu:*:*:*:*:*:*:*:* | 4.0 – 4.2.0 | Vulnerable | zhangyanbo2007 |
- cpe:2.3:a:zhangyanbo2007:youkefu:*:*:*:*:*:*:*:* Versions 4.0 – 4.2.0 Vulnerable ·zhangyanbo2007
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4258
- 2026-10-03 Alias added: GHSA-qrr9-59r3-8w49
References
More zhangyanbo2007 Youkefu vulnerabilities
- TI-2025-03791 zhangyanbo2007 youkefu TemplateController.java impsave deserialization CVSS 4.0MEDIUM 5.3
- TI-2025-02965 zhangyanbo2007 youkefu File Upload WebIMController.java path traversal CVSS 4.0MEDIUM 5.3
- TI-2025-02838 zhangyanbo2007 youkefu XML Document CallCenterRouterController.java xml external entity reference CVSS 4.0MEDIUM 5.3
- TI-2025-02612 zhangyanbo2007 youkefu url server-side request forgery CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-4258 · CVE Program
- CVE-2025-4258 · NVD
- FIRST EPSS
- GHSA-qrr9-59r3-8w49 · 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