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CVE-2026-104028

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

  • Critical 9.8
  • A public exploit reference is listed

Description

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.

Key facts

Published
11 Oct 2026
Last changed
11 Oct 2026
Assigned by
WPScan
EPSS
0.553% likely to be exploited in the next 30 days, higher than 46.74% 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
UnknownAnton Extensions
  • Default status: unknown
  • 0 up to and including 1.2.2 (affected)

Timeline

  1. 11 Oct 2026 Published

Weakness

References