--- title: "CVE-2026-75873: Zella Theme WordPress - Unrestricted File Upload" description: "Zella Theme WordPress theme < 2.6.3 contains an unrestricted file upload vulnerability caused by lack of capability and nonce checks in font upload action, letting unauthenticated attackers upload arbitrary files including PHP for remote code execution." url: https://panop.io/threat-heartbeat/CVE-2026-75873/ --- # CVE-2026-75873 Zella Theme WordPress - Unrestricted File Upload Zella Theme WordPress theme < 2.6.3 contains an unrestricted file upload vulnerability caused by lack of capability and nonce checks in font upload action, letting unauthenticated attackers upload arbitrary files including PHP for remote code execution. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.57% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-75873) ## Details Type Unrestricted File Upload Impact Remote Code Execution, Unrestricted File Upload CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 30 September 2026 Updated 15 October 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to version 2.6.3 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-75873](https://nvd.nist.gov/vuln/detail/CVE-2026-75873) - [https://wpscan.com/vulnerability/15b8a6cb-f89c-4d4d-9812-441e822c647f/](https://wpscan.com/vulnerability/15b8a6cb-f89c-4d4d-9812-441e822c647f/) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)