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Vulnerability record · CVE-2018-20981 · published 22 August 2019

CVE-2018-20981: Ninjaforms ninja forms improper input validation vulnerability

Ninjaforms · Ninja Forms

The ninja-forms plugin before 3.3.9 for WordPress has insufficient restrictions on submission-data retrieval during Export Personal Data requests.

9.1 CVSS 3.0 Critical EPSS 1.7% · top 23.1% CWE-20 · Improper input validation
9.1CVSS 3.0 base score, v2 6.4
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The ninja-forms plugin before 3.3.9 for WordPress has insufficient restrictions on submission-data retrieval during Export Personal Data requests.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

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

References

LinkTags
https://wordpress.org/plugins/ninja-forms/#developers Release NotesThird Party Advisory
https://wordpress.org/plugins/ninja-forms/#developers Release NotesThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2018-20981), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.