SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-75873

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…

CRITICAL 9.8EPSS 0.57%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.57% probability · 47th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-434
Source
contact@wpscan.com
EPSS trend
0%3%5%30 September 2026: 0.22%26 October 2026: 0.57%30 September 202626 October 2026

EPSS moved from 0.2% on 30 September 2026 to 0.6% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.