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Vulnerability record · CVE-2022-0889 · published 23 March 2022

CVE-2022-0889: Ninjaforms ninja forms file uploads cross-site scripting vulnerability

Ninjaforms · Ninja Forms File Uploads

The Ninja Forms - File Uploads Extension WordPress plugin is vulnerable to reflected cross-site scripting due to missing sanitization of the files filename parameter found in the ~/includes/ajax/controllers/uploads.php file which can be used by unauthenticated attackers to add malicious web scripts to vulnerable WordPress sites, in versions up to and including 3.3.12.

6.1 CVSS 3.1 Medium EPSS 0.78% · top 46.0% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Ninja Forms - File Uploads Extension WordPress plugin is vulnerable to reflected cross-site scripting due to missing sanitization of the files filename parameter found in the ~/includes/ajax/controllers/uploads.php file which can be used by unauthenticated attackers to add malicious web scripts to vulnerable WordPress sites, in versions up to and including 3.3.12.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://ninjaforms.com/extensions/file-uploads/?changelog=1/#:~:text=3.3.13%20(30%20November%202021)
https://www.wordfence.com/threat-intel/vulnerabilities/id/8c5642fa-d001-47c4-8acd-94ae944e5129?source=cve
https://ninjaforms.com/extensions/file-uploads/?changelog=1/#:~:text=3.3.13%20(30%20November%202021)
https://www.wordfence.com/threat-intel/vulnerabilities/id/8c5642fa-d001-47c4-8acd-94ae944e5129?source=cve

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-0889), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.