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CVE-2026-86239— liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload

Quick assessment

Affected
liufee FeehiCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 liufee FeehiCMS 2.1.1 及之前版本中发现了一个漏洞。受影响的组件是 UEditor Widget，具体为文件 中的 函数。该操纵会导致不受限制的上传漏洞，且可被远程利用。该漏洞的利用代码已公开，可能被实际使用。项目方已通过问题报告提前获知此问题，但尚未作出回应。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-86239

Vulnerability Information
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Vulnerability Title
liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
liufee FeehiCMS 2.1.0 cpe:2.3:a:liufee:feehicms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86239

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III. Intelligence Information for CVE-2026-86239

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Other References for CVE-2026-86239 (3)

Same Patch Batch · liufee · 2026-09-07 · 3 CVEs total

CVE-2026-86240 4.7 MEDIUM liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery
CVE-2026-86241 4.3 MEDIUM liufee FeehiCMS Cookie Validation main-local.php hard-coded key

IV. Related Vulnerabilities

Same product: FeehiCMS
Same vendor: liufee
Same weakness: CWE-434

V. Comments for CVE-2026-86239

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