CVE-2026-104028CWE-434unrestricted-file-upload

CVE-2026-104028

Critical · published October 11, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
45.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00553 · 45.5th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-10-11T11:17Z
References (1)
https://wpscan.com/vulnerability/0be8a03e-d854-48db-bdc0-1beead3d7b91/ · [email protected]
EPSS history
Timeline
  • 12 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 11 OCT 06:00Z
    Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
    cvelistv5
  • 11 OCT 06:00Z
    Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
    cvelistv5