Vulnerability identifier: #VU29187
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the "kc_installed_extensions" AJAX action in the "kingcomposer/includes/kc.ajax.php" script. A remote authenticated attacker can bypass implemented security restrictions and recursively delete any folders and files, for instance by sending a name=../../../wp-admin/ POST request to delete the content of the ‘/wp-admin/’ folder.
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Vulnerable software versions
Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme: 2.0.0 - 2.9.2
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.