Description
WordPress Plugin Download From Files version 1.48 and earlier contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by exploiting the AJAX fileupload action. Attackers can send POST requests to the admin-ajax.php endpoint with the download_from_files_617_fileupload action, manipulating the allowExt parameter to bypass file type restrictions and upload executable files like PHP shells to the web root.
Published: 2026-05-10
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 11 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 10 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Download-from-files
Download-from-files download From Files
Wordpress
Wordpress wordpress
Vendors & Products Download-from-files
Download-from-files download From Files
Wordpress
Wordpress wordpress

Sun, 10 May 2026 13:00:00 +0000

Type Values Removed Values Added
Description WordPress Plugin Download From Files version 1.48 and earlier contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by exploiting the AJAX fileupload action. Attackers can send POST requests to the admin-ajax.php endpoint with the download_from_files_617_fileupload action, manipulating the allowExt parameter to bypass file type restrictions and upload executable files like PHP shells to the web root.
Title WordPress Download From Files 1.48 Arbitrary File Upload
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Download-from-files Download From Files
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-11T13:23:46.857Z

Reserved: 2026-02-01T11:24:18.718Z

Link: CVE-2021-47940

cve-icon Vulnrichment

Updated: 2026-05-11T13:19:55.497Z

cve-icon NVD

Status : Deferred

Published: 2026-05-10T13:16:30.363

Modified: 2026-05-12T14:24:15.210

Link: CVE-2021-47940

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-10T21:23:29Z

Weaknesses