Arbitrary file upload in Tunafish Adning Advertising
CVE-2020-36705
The Adning Advertising plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the _ning_upload_image function in versions up to, and including, 1.5.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
Vulnerability class: Unrestricted File Upload
EPSS: 0.069 (93.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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 (Product)
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Exploit, Third Party Advisory)
- security@wordfence.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36705?
- CVE-2020-36705 is a critical-severity vulnerability in Tunafish Adning Advertising, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-06-07.
- How severe is CVE-2020-36705?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-36705 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.