Vulnerability identifier: #VU26224
Vulnerability risk: High
CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Responsive Add Ons
Web applications /
Modules and components for CMS
Vendor: CyberChimps inc.
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in various AJAX actions (23). A remote authenticated attacker can bypass implemented security restrictions and reset site data, inject malicious JavaScript in pages, modify theme customizer data, import .xml and .json files and activate plugins, among many other actions.
Note: Majority of the vulnerable AJAX action were found in the "/class-responsive-ready-sites-importer.php" file.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Responsive Add Ons: 1.0.0 - 2.2.5
External links
http://wpvulndb.com/vulnerabilities/10137/
http://www.wordfence.com/blog/2020/03/severe-flaws-patched-in-responsive-ready-sites-importer-plugin/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.