Arbitrary file upload in King-Theme Page Builder King Composer
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. 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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.015 (72.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Exploit)
- security@wordfence.com (Product)
- security@wordfence.com (Patch)
Frequently asked questions
- What is CVE-2020-36701?
- CVE-2020-36701 is a high-severity vulnerability in King-Theme Page Builder King Composer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-06-07.
- How severe is CVE-2020-36701?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-36701 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.