by Kastro
Paper/Archive/CVE-2026-104028

CVE-2026-104028

Unknown Anton Extensions — Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE

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 46.1.461 × 209.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability check, nonce verification, or file-type validation before writing attacker-supplied content to an attacker-chosen path, allowing unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution.

Affected

ProductAffectedFixed inSource
Anton Extensions≤ 1.2.2–CNA

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/0be8a03e-d854-48db-bdc0-1beead3d7b91