CVE-2021-4386: CSRF
First published: Sat Jul 01 2023(Updated: )
The WP Security Question plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.5. This is due to missing or incorrect nonce validation on the save() function. This makes it possible for unauthenticated attackers to modify the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Security Questions Project Security Questions | <=1.0.5 |
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Reference Links
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
- https://plugins.trac.wordpress.org/browser/wp-security-questions/trunk/modules/settings/model.settings.php#L34
- https://www.wordfence.com/threat-intel/vulnerabilities/id/23f9d758-4b5e-44e5-9f58-a37b01c4ffdb?source=cve
Frequently Asked Questions
What is CVE-2021-4386?
CVE-2021-4386 is a vulnerability in the WP Security Question plugin for WordPress that allows unauthenticated attackers to modify the plugin's settings.
What is the severity of CVE-2021-4386?
CVE-2021-4386 has a severity rating of 4.3, which is considered high.
How does CVE-2021-4386 work?
CVE-2021-4386 occurs due to missing or incorrect nonce validation on the save() function of the WP Security Question plugin.
Which versions of the WP Security Question plugin are affected by CVE-2021-4386?
Versions up to and including 1.0.5 of the WP Security Question plugin for WordPress are affected by CVE-2021-4386.
How can I mitigate CVE-2021-4386?
To mitigate CVE-2021-4386, update the WP Security Question plugin to a version higher than 1.0.5.
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