The Page Builder: KingComposer plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 2.9.3. This is due to a security nonce being leaked in the '/wp-admin/index.php' page. This makes it possible for authenticated attackers to change arbitrary WordPress options, delete arbitrary files/folders, and inject arbitrary content.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
King-Theme Page_Builder_Kingcomposer
cpe:2.3:a:king-theme:page_builder_kingcomposer:*:*:*:*:*:wordpress:*:*
|
— |
<= 2.9.3
|
References 4
https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-…
security@wordfence.com
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&ol…
security@wordfence.com
https://wordpress.org/plugins/kingcomposer/#developers
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/1bdba04e-df4d-4094-87…
security@wordfence.com