SB2020092307 - Multiple vulnerabilities in XCloner Backup and Restore plugin for WordPress

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: N/A)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in multiple AJAX endpoints. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

2) Improper access control (CVE-ID: N/A)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in multiple AJAX actions. A remote authenticated attacker can bypass implemented security restrictions and perform arbitrary actions, such as overwrite arbitrary files and disclose sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://wpvulndb.com/vulnerabilities/10413/
• https://www.wordfence.com/blog/2020/09/critical-vulnerabilities-patched-in-xcloner-backup-and-restor...
• https://wpvulndb.com/vulnerabilities/10412/
• https://www.wordfence.com/blog/2020/09/critical-vulnerabilities-patched-in-xcloner-backup-and-restore-plugin/