Anton Extensions Plugin up to 1.2.2 on WordPress unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, has been found in Anton Extensions Plugin up to 1.2.2. Impacted is an unknown function. Performing a manipulation results in unrestricted upload. This vulnerability is reported as CVE-2026-104028. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Anton Extensions Plugin up to 1.2.2. This affects an unknown functionality. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE 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.

It is possible to read the advisory at wpscan.com. This vulnerability is uniquely identified as CVE-2026-104028 since 10/01/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Anton Extensions Plugin

Version

• 1.2.0
• 1.2.1
• 1.2.2

CPE 2.3info

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CPE 2.2info

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Entryinfo

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