CVE-2020-36701
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.52% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- king-theme/page builder king composer
- Source
- security@wordfence.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.