Arbitrary file upload in Ninjaforms Ninja Forms File Uploads
CVE-2022-0888
The Ninja Forms - File Uploads Extension WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/includes/ajax/controllers/uploads.php file which can be bypassed making it possible for unauthenticated attackers to upload malicious files that can be used to obtain remote code execution, in versions up to and including 3.3.0
Vulnerability class: Unrestricted File Upload
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.394 (98.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.394 · newest: 0.394 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/f00eeaef-f277-481f-9e18-bf1ce…
- gist.github.com/Xib3rR4dAr/5f0accbbfdee279c68ed144da9cd8607 (Exploit, Patch, Third Party Advisory)
- www.wordfence.com/vulnerability-advisories/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0888?
- CVE-2022-0888 is a critical-severity vulnerability in Ninjaforms Ninja Forms File Uploads, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-03-23.
- How severe is CVE-2022-0888?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-0888 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.