by Kastro
Paper/Archive/CVE-2026-75873

CVE-2026-75873

Unknown Zella Theme — Zella Theme < 2.6.3 - Unauthenticated Arbitrary File Upload

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 47.1.471 × 209.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Zella Theme< 2.6.32.6.3CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

exploitwpscan.com/vulnerability/15b8a6cb-f89c-4d4d-9812-441e822c647f