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Vulnerability of WordPress ACF Better Search: Cross Site Request Forgery

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Request Forgery of WordPress ACF Better Search, in order to force the victim to perform operations.
Impacted systems: WordPress Plugins ~ not comprehensive.
Severity of this alert: 2/4.
Creation date: 09/08/2019.
Références of this alert: CVE-2019-14682, VIGILANCE-VUL-29999.

Description of the vulnerability 

The ACF Better Search plugin can be installed on WordPress.

However, the origin of queries is not checked. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery of WordPress ACF Better Search, in order to force the victim to perform operations.
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This computer vulnerability alert impacts software or systems such as WordPress Plugins ~ not comprehensive.

Our Vigil@nce team determined that the severity of this computer threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this security vulnerability.

Solutions for this threat 

WordPress ACF Better Search: version 3.3.1.
The version 3.3.1 is fixed:
  https://wordpress.org/plugins/acf-better-search/
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