#VU29186 Improper access control in Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme

Vulnerability identifier: #VU29186

Vulnerability risk: Medium

CVSSv4.0: 6.3 [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: Network

Exploit availability: No

Vulnerable software:
Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme
Web applications / Modules and components for CMS

Vendor: 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_update_option" AJAX action in the "kingcomposer/includes/kc.ajax.php" script. A remote authenticated attacker can bypass implemented security restrictions and modify any WordPress option in the "options" table of the database.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Page Builder: KingComposer - Free Drag and Drop page builder by King-Theme: 2.0.0 - 2.9.2

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External links
https://wpvulndb.com/vulnerabilities/10270/
https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/

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Q & A

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.