WuzhiCMS Avatar Upload index.php setAvatar 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 security flaw has been discovered in WuzhiCMS up to 4.1.0. This affects the function member::setAvatar of the file /index.php?m=member&f=user&v=setAvatar of the component Avatar Upload. The manipulation of the argument File results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | WuzhiCMS | 4.0; 4.1.0 | — | No fix listed | CNA |
- WuzhiCMS Vendor— Affected 4.0; 4.1.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-91849
- 2026-10-03 Alias added: GHSA-rhh7-mmrm-695f
References
Sources
- CVE-2026-91849 · CVE Program
- CVE-2026-91849 · NVD
- FIRST EPSS
- GHSA-rhh7-mmrm-695f · 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