EUVD-2026-72187
GHSA-gv58-r7wh-gmxq
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Unauthenticated network upload of PHP files to an executable path yields full RCE, warranting C:H/I:H/A:H with scope change.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Unrestricted file upload in FeehiCMS up to version 2.1.1 allows unauthenticated remote attackers to upload arbitrary files through the UEditor widget endpoint (UeditorAction::init in backend/widgets/ueditor/UeditorAction.php). A named public proof-of-concept (FEHI-001-UEditor-Unauthorized-File-Upload) is available on GitHub, enabling straightforward exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | FeehiCMS version 2.1.1 or earlier must be installed with the UEditor backend widget enabled, which is the default configuration. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 4.0 score of 6.9 (Medium) with impact metrics VC:L/VI:N/VA:N is notably inconsistent with the vulnerability class. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch is available at time of analysis; the vendor has not responded to disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique File Upload
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External POC / Exploit Code
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