Vulnerability Description
The Rucy plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.4.4. This is due to missing or incorrect nonce validation on the save_rc_post_meta() function. This makes it possible for unauthenticated attackers to save post meta via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rucy Project | Rucy | <= 0.4.4 |
Related Weaknesses (CWE)
References
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/Not Applicable
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrfNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieThird Party Advisory
- https://plugins.trac.wordpress.org/browser/rucy/trunk/inc/class-rucy-editor.php#Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/595d0401-55b9-418e-8b9Third Party Advisory
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/Not Applicable
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrfNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilitieNot Applicable
FAQ
What is CVE-2021-4396?
CVE-2021-4396 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Rucy plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.4.4. This is due to missing or incorrect nonce validation on the save_rc_post_meta() funct...
How severe is CVE-2021-4396?
CVE-2021-4396 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4396?
Check the references section above for vendor advisories and patch information. Affected products include: Rucy Project Rucy.