SECURELYN
Free ScanFree consultation

CVE-2026-104028

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.

Scores

9.8
CVSS 9.8 out of 10, critical severity.
0.6%
EPSS 0.6% chance of exploitation in the next 30 days.

The facts

Published
11 October 2026
Last changed
13 October 2026
NVD status
Deferred
Severity
Critical, CVSS 9.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.6% chance of exploitation activity in the next 30 days (percentile 45).

Is there a Securelyn advisory?

Not yet. Securelyn writes plain-English advisories for the flaws that matter most to businesses. Subscribe to the digest to hear about them.

References