CVE-2021-4400: Better Search <= 2.5.2 - Cross-Site Request Forgery Bypass
The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This is due to missing or incorrect nonce validation on the bsearchprocesssettingsimport() and bsearchprocesssettingsexport() functions. This makes it possible for unauthenticated attackers to import and export settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Frequently Asked Questions
What is CVE-2021-4400?
CVE-2021-4400 refers to a vulnerability in the Better Search plugin for WordPress that allows for Cross-Site Request Forgery attacks.
What is the severity of CVE-2021-4400?
The severity of CVE-2021-4400 is classified as medium with a severity score of 4.3.
How does CVE-2021-4400 affect the Better Search plugin for WordPress?
CVE-2021-4400 affects the Better Search plugin for WordPress by allowing unauthenticated attackers to perform Cross-Site Request Forgery attacks.
What is the affected version of the Better Search plugin for WordPress?
The affected version of the Better Search plugin for WordPress is up to and including version 2.5.2.
Are there any fixes for CVE-2021-4400?
At the moment, there is no specific fix available for CVE-2021-4400. It is recommended to update to the latest version of the Better Search plugin for WordPress when a patch becomes available.