Contact Form With Captcha <= 1.6.2 Cross-Site Request Forgery to Reflected Cross-Site Scripting
CVE-2021-42358

8.8HIGH

Key Information:

Vendor

WordPress
Status
Contact Form With Captcha
Vendor
CVE Published:
29 November 2021

What is CVE-2021-42358?

The Contact Form With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.6.2.

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Deploy the Patch

Affected Version(s)

Contact Form With Captcha 1.6.2

References

https://plugins.trac.wordpress.org/browser/contact-form-w...
x_refsource_MISC
https://wordfence.com/vulnerability-advisories/#CVE-2021-...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yuga Futatsuki, Cryptography Laboratory in Tokyo Denki University
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