What’s Vulnerable › Vulnerabilities

CVE-2021-47940: WordPress Download From Files 1.48 Arbitrary File Upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-10 · updated 2026-07-25
• Weakness: CWE-306

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.

Affected products

• download-from-files Download From Files: through 1.48

References

• https://wordpress.org/plugins/download-from-files/
• https://www.exploit-db.com/exploits/50287
• https://www.vulncheck.com/advisories/wordpress-download-from-files-arbitrary-file-upload

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