WP-BusinessDirectory Plugin up to 4.0.2 on WordPress unrestricted upload

Summaryinfo

A vulnerability was found in WP-BusinessDirectory Plugin up to 4.0.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to unrestricted upload. This vulnerability is tracked as CVE-2026-89271. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in WP-BusinessDirectory Plugin up to 4.0.2. It has been declared as critical. This vulnerability affects some unknown processing. 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-BusinessDirectory WordPress plugin through 4.0.2 does not restrict the type or destination of files saved by an unauthenticated upload handler, allowing unauthenticated attackers to write files with arbitrary content to arbitrary locations, though not to execute code on a default server configuration.

The advisory is shared for download at wpscan.com. This vulnerability was named CVE-2026-89271 since 09/11/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/13/2026). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-98300). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Name

• WP-BusinessDirectory Plugin

Version

• 4.0.0
• 4.0.1
• 4.0.2

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CPE 2.2info

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Entryinfo

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

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