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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-104028
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-11 07:17:22 UTC
Updated2026-10-13 20:36:00 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.005530000 probability, percentile 0.446720000 (date 2026-10-13)

Problem Types: CWE-434 | CWE-434 Unrestricted Upload of File with Dangerous Type | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Anton Extensions affected 1.2.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/0be8a03e-d854-48db-bdc0-1beead3d7b91 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Pablo González Pérez (en)

CNA: Francisco José Ramírez Vicente and Iñigo Sánchez Enciso (en)

CNA: WPScan (en)

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