What is CVE-2021-24159?

CVE-2021-24159 is a vulnerability in the Contact Form 7 Style WordPress plugin through version 3.1.9 that allows an attacker to inject malicious JavaScript into a site using the plugin.

How does CVE-2021-24159 work?

CVE-2021-24159 works by taking advantage of the lack of sanitization and nonce protection on the custom CSS feature of the Contact Form 7 Style plugin, allowing an attacker to craft a request to inject malicious JavaScript.

What is the severity of CVE-2021-24159?

CVE-2021-24159 has a severity rating of 8.8, which is considered high.

What is the affected software of CVE-2021-24159?

The affected software of CVE-2021-24159 is the Contact Form 7 Style WordPress plugin through version 3.1.9.

How can CVE-2021-24159 be fixed?

To fix CVE-2021-24159, users should update to a version of the Contact Form 7 Style plugin that includes the necessary sanitization and nonce protection measures.

Vulnerability/
CVE-2021-24159

high

8.8

CWE

352

5/4/2021

20/4/2021

CVE-2021-24159: CSRF

First published: Mon Apr 05 2021(Updated: )

Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a siteâ€™s administrator into clicking a link or attachment, then the request could be sent and the CSS settings would be successfully updated to include malicious JavaScript.

Credit: contact@wpscan.com

Affected Software	Affected Version	How to fix
Rocklobster Contact Form 7	<=3.1.9

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Reference Links

Frequently Asked Questions

What is CVE-2021-24159?
CVE-2021-24159 is a vulnerability in the Contact Form 7 Style WordPress plugin through version 3.1.9 that allows an attacker to inject malicious JavaScript into a site using the plugin.
How does CVE-2021-24159 work?
CVE-2021-24159 works by taking advantage of the lack of sanitization and nonce protection on the custom CSS feature of the Contact Form 7 Style plugin, allowing an attacker to craft a request to inject malicious JavaScript.
What is the severity of CVE-2021-24159?
CVE-2021-24159 has a severity rating of 8.8, which is considered high.
What is the affected software of CVE-2021-24159?
The affected software of CVE-2021-24159 is the Contact Form 7 Style WordPress plugin through version 3.1.9.
How can CVE-2021-24159 be fixed?
To fix CVE-2021-24159, users should update to a version of the Contact Form 7 Style plugin that includes the necessary sanitization and nonce protection measures.

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version/rocklobster contact form 7/3.1.9

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