WordPress plugin
MaxUpload – Big File Uploads – Increase Maximum File Upload Size security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High1
- Medium0
- Low0
All MaxUpload – Big File Uploads – Increase Maximum File Upload Size vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Unauthenticated Arbitrary File Upload via 'resumableFilename' Parameter ≤1.4.0No patch available | CVE-2026-15965 |
- High8.8Unauthenticated Arbitrary File Upload via 'resumableFilename' Parameter
≤1.4.0No patch available
MaxUpload – Big File Uploads – Increase Maximum File Upload Size: common questions
Does MaxUpload – Big File Uploads – Increase Maximum File Upload Size have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in MaxUpload – Big File Uploads – Increase Maximum File Upload Size: 1 high. At least one is not fixed in the latest version.
How do I check which version of MaxUpload – Big File Uploads – Increase Maximum File Upload Size I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent MaxUpload – Big File Uploads – Increase Maximum File Upload Size vulnerability?
CVE-2026-15965, published Aug 14, 2026: MaxUpload <= 1.4.0 - Unauthenticated Arbitrary File Upload via 'resumableFilename' Parameter. Severity: High (CVSS 8.8).
Is any MaxUpload – Big File Uploads – Increase Maximum File Upload Size vulnerability listed in CISA KEV?
No. None of the known MaxUpload – Big File Uploads – Increase Maximum File Upload Size vulnerabilities is currently listed in the CISA KEV catalog.