CVE-2021-4390 Contact Form 7 Style <= 3.2 - Cross-Site Request Forgery Bypass

Medium 4.3 Published Updated

Unauthenticated attackers can trick administrators into modifying templates via forged requests due to missing nonce validation in the Contact Form 7 Style plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-4390?

CVE-2021-4390 is a medium-severity vulnerability in ionuticlanzan Contact Form 7 Style, published on 1 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Contact Form 7 Style plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2. This is due to missing or incorrect nonce validation on the manage_wp_posts_be_qe_save_post() function. This makes it possible for unauthenticated attackers to quick edit templates via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352

Which versions are affected by CVE-2021-4390?

It affects 1 product.

Products include Cf7style Contact Form 7 Style.

How do I fix CVE-2021-4390?

No fix has been published for CVE-2021-4390 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-4390 being exploited?

There is no known exploitation of CVE-2021-4390 in the wild and no public exploit code.

Sources

Also known as GHSA-prhw-qc42-9q6h.

Is CVE-2021-4390 in your software?

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