CVE-2026-75873
Critical
Description
The Zella Theme WordPress theme before 2.6.3 does not perform any capability or nonce check on one of its font upload actions, which is available to unauthenticated users, allowing them to upload arbitrary files, including PHP ones, and achieve remote code execution.
SeverityCritical
CVSS9.8
Exploit probability—
ProductZella Theme
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Update
- Zella Theme2.6.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Zella Theme | v < 2.6.3 | 2.6.3 |
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