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.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| kingthemes | Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme | <= 2.9.3 |
References
- https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/Exploit
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2320014%40kingcomposer&new=2320014%40kingcomposer&sfp_email=&sfph_mail=Patch
- https://wordpress.org/plugins/kingcomposer/#developersProduct
- https://www.wordfence.com/threat-intel/vulnerabilities/id/45a62dd0-386c-41b3-b8dd-ced443da9f92?source=cveThird Party Advisory
- https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/Exploit
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2320014%40kingcomposer&new=2320014%40kingcomposer&sfp_email=&sfph_mail=Patch
- https://wordpress.org/plugins/kingcomposer/#developersProduct
- https://www.wordfence.com/threat-intel/vulnerabilities/id/45a62dd0-386c-41b3-b8dd-ced443da9f92?source=cveThird Party Advisory
Timeline
- Published
- Jun 7, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified