CVE-2026-74803
Critical
Description
Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.
SeverityCritical
CVSS10.0
Exploit probability—
ProductZoo extension for Joomla
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yootheme.com Zoo extension for Joomla | 1.0.0-4.1.63 | — |
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