liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- Low · None · None
- 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 identified in liufee FeehiCMS up to 2.1.1. The impacted element is the function UeditorAction::init of the file backend/widgets/ueditor/UeditorAction.php of the component UEditor Widget. The manipulation leads to unrestricted upload. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. 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
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86239
- 2026-10-03 Alias added: GHSA-gv58-r7wh-gmxq
References
More liufee vulnerabilities
- TI-2026-59028 liufee FeehiCMS Cookie Validation main-local.php hard-coded key CVSS 4.0MEDIUM 5.3
- TI-2026-59027 liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-86239 · CVE Program
- CVE-2026-86239 · NVD
- FIRST EPSS
- GHSA-gv58-r7wh-gmxq · 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