CVE-2026-86239

liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload

MEDIUM
5.3
CVSS Score
Published: September 7, 2026 at 12:45 AM UTC
Updated: September 28, 2026 at 11:10 PM UTC
1 product affected across 1 vendorFeehiCMS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399396
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399396/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86239
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/901833
Issue Tracking
Source: cverecord
https://github.com/liufee/cms/issues/94

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434CWE-284

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