CVE-2026-86239liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-434, CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
liufee FeehiCMS liufee:feehicms | 2.1.0; 2.1.1 | CNA record |
References
- https://vuldb.com/vuln/399396vdb-entry, technical-description
- https://vuldb.com/vuln/399396/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-86239third-party-advisory
- https://vuldb.com/submit/901833third-party-advisory
- https://github.com/liufee/cms/issues/94issue-tracking
- https://github.com/yang5ynag/cve/blob/main/FEHI-001-UEditor-Unauthorized-File-Upload.mdexploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.