What’s Vulnerable › Vulnerabilities
CVE-2026-75873: Zella Theme < 2.6.3 - Unauthenticated Arbitrary File Upload
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-30 · updated 2026-09-30
- Weakness: CWE-434
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.
Affected products
- Zella Theme: before 2.6.3 — fixed in 2.6.3
How to fix
Upgrade to a fixed version: Zella Theme 2.6.3. Check the vendor advisory for mitigations.
References
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