Description
The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.
References (4)
Core 4
Core References
Scores
CVSS v3
8.8
EPSS
0.0174
EPSS Percentile
82.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-434
Status
published
Products (2)
king-theme/page_builder_king_composer
< 2.9.3
kingthemes/Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme
< 2.9.3
Published
Jun 07, 2023
Tracked Since
Feb 18, 2026