Multiple vulnerabilities in XCloner Backup and Restore plugin for WordPress

Published: 2020-09-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	N/A
CWE-ID	CWE-352 CWE-284
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	XCloner – Backup and Restore Web applications / Modules and components for CMS
Vendor	Liuta Ovidiu

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site request forgery

EUVDB-ID: #VU46971

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

XCloner – Backup and Restore: 2.1 - 4.2.152

External links

http://wpvulndb.com/vulnerabilities/10413/
http://www.wordfence.com/blog/2020/09/critical-vulnerabilities-patched-in-xcloner-backup-and-restor...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU46973

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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.