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Fencer Vulns
critical 9.8

CVE-2022-0888 in the critical feed json

Ninja Forms - File Uploads Extension <= 3.3.0 - Arbitrary File Upload

published 2022-03-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15924

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
39.4%
EPSS 39.4% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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

Patch / fix

Exploit prediction

39.39% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/Xib3rR4dAr/5f0accbbfdee279c68ed144da9cd8607 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • SaturdayDrive Ninja Forms - File Uploads

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.