CVE-2021-4399

Description

The Edwiser Bridge plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including,2.0.6. This is due to missing or incorrect nonce validation on the user_data_synchronization_initiater(), course_synchronization_initiater(), users_link_to_moodle_synchronization(), connection_test_initiater(), admin_menus(), and subscribe_handler() function. This makes it possible for unauthenticated attackers to perform unauthorized actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.28%

Third-Party Advisory nintechnet.com Third-Party Advisory wordfence.com

Affected: wisdmlabs Edwiser Bridge – WordPress Moodle LMS Integration

References

Link	Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/6450dafd-5992-4831-87af-e5e47cc8663e?source=cve	third 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-csrf-attacks/	not applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/	not applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/	third party advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/	not applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/	not applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/	not applicable
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2478642%40edwiser-bridge&new=2478642%40edwiser-bridge&sfp_email=&sfph_mail=	patch

Frequently Asked Questions

What is the severity of CVE-2021-4399?: CVE-2021-4399 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4399?: To fix CVE-2021-4399, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4399 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-4399 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4399?: CVE-2021-4399 affects wisdmlabs Edwiser Bridge – WordPress Moodle LMS Integration.