CVE-2021-34647
MEDIUM EXPLOITEDNinja Forms <= 3.5.7 - Authenticated Sensitive Information Disclosure via Bulk Export Submissions
Title source: llmExploitation Summary
CVE-2021-34647 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
The Ninja Forms WordPress plugin is vulnerable to sensitive information disclosure via the bulk_export_submissions function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers to export all Ninja Forms submissions data via the /ninja-forms-submissions/export REST API which can include personally identifiable information.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.wordfence.com/blog/2021/09/recently-patched-vulnerabilities-in-ninja-forms-plugin-affects-over-1-million-site-owners/
Patch, Third Party Advisory x_refsource_misc
https://plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Routes/Submissions.php?rev=2543837#L107
Scores
CVSS v3
6.5
EPSS
0.0112
EPSS Percentile
62.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
VulnCheck KEV
2021-09-22
CWE
CWE-862
CWE-863
Status
published
Products (1)
ninjaforms/ninja_forms
< 3.5.7
Published
Sep 22, 2021
Tracked Since
Feb 18, 2026