CVE-2022-0888

CVE-2022-0888 is a critical-severity vulnerability in Ninjaforms Ninja Forms File Uploads with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 39% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Description

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

Frequently asked questions

What is 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
How severe is CVE-2022-0888?
CVE-2022-0888 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-0888 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 39% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0888?
CVE-2022-0888 affects Ninjaforms Ninja Forms File Uploads. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0888?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-0888 published?
CVE-2022-0888 was published on 2022-03-23 and last updated on 2026-06-17.

References

Affected products (1)

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