CVE-2026-75873 Zella Theme < 2.6.3 - Unauthenticated Arbitrary File Upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files, including PHP, to achieve remote code execution in the Zella WordPress theme.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-75873?

CVE-2026-75873 is a critical vulnerability in Unknown Zella Theme, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2026-75873?

How do I fix CVE-2026-75873?

No fix has been published for CVE-2026-75873 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-75873 being exploited?

There is no known exploitation of CVE-2026-75873 in the wild and no public exploit code.

Sources

Also known as GHSA-7hpq-7jqp-mfrh.

Is CVE-2026-75873 in your software?

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