WP Dropzone Plugin up to 1.1.0 on WordPress ajax_upload_handle unrestricted upload

Summaryinfo

A vulnerability categorized as critical has been discovered in WP Dropzone Plugin up to 1.1.0 on WordPress. This impacts the function ajax_upload_handle. Executing a manipulation can lead to unrestricted upload. The identification of this vulnerability is CVE-2025-12775. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in WP Dropzone Plugin up to 1.1.0 on WordPress. This vulnerability affects the function ajax_upload_handle. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The WP Dropzone plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 1.1.0 via the `ajax_upload_handle` function. This is due to the chunked upload functionality writing files directly to the uploads directory before any file type validation occurs. This makes it possible for authenticated attackers, with subscriber level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2025-12775. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/18/2025). The MITRE ATT&CK project declares the attack technique as T1608.002.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Name

• WP Dropzone Plugin

Version

• 1.0
• 1.1.0

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion