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CVE-2026-75873

Zella Theme < 2.6.3 - Unauthenticated Arbitrary File Upload

  • Critical 9.8
  • A public exploit reference is listed

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.

Key facts

Published
30 Sep 2026
Last changed
30 Sep 2026
Assigned by
WPScan
EPSS
0.569% likely to be exploited in the next 30 days, higher than 47.708% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
UnknownZella Theme
  • Default status: unaffected
  • 0 up to but excluding 2.6.3 (affected)

Timeline

  1. 30 Sep 2026 Published

Weakness

References