#VU29188 Improper access control in Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme
Published: June 22, 2020
Vulnerability identifier: #VU29188
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme
Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme
Software vendor:
King-Theme
King-Theme
Description
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_push_section" AJAX action in the "kingcomposer/includes/kc.ajax.php" script. A remote authenticated attacker can bypass implemented security restrictions and modify the content of any page or post on the website.
The new content can either replace the existing one ($_POST['overwrite']) or be appended to it.
Remediation
Install updates from vendor's website.