WPForms Click5 CRM Add-on to WPForms Plugin up to 1.0.3 on WordPress REST Endpoint authorization

Summaryinfo

A vulnerability categorized as critical has been discovered in WPForms Click5 CRM Add-on to WPForms Plugin up to 1.0.3. The impacted element is an unknown function of the component REST Endpoint. Such manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2026-84252. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WPForms Click5 CRM Add-on to WPForms Plugin up to 1.0.3. Affected by this issue is an unknown functionality of the component REST Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 does not have authorisation and CSRF checks when updating options via a REST endpoint, and does not ensure that the option to be updated belongs to the click5 CRM add-on to WPForms WordPress plugin through 1.0.3. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.

The advisory is available at wpscan.com. This vulnerability is handled as CVE-2026-84252 since 09/01/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/11/2026).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• WPForms

Name

• Click5 CRM Add-on to WPForms Plugin

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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