CVE-2022-3282: Drag and Drop Multiple File Upload < 1.3.6.5 - File Upload Size Limit Bypass

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-10-17 · updated 2026-06-17
Weakness: CWE-639

Description

The Drag and Drop Multiple File Upload WordPress plugin before 1.3.6.5 does not properly check for the upload size limit set in forms, taking the value from user input sent when submitting the form. As a result, attackers could control the file length limit and bypass the limit set by admins in the contact form.

Affected products

glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7: before 1.3.6.5 — fixed in 1.3.6.5

How to fix

Upgrade to a fixed version: glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 1.3.6.5. Check the vendor advisory for mitigations.

References

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