CVE-2026-15160

EUVD-2026-45127
The Ninja Forms - Excel Export plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 3.3.6 via the 'spreadsheet_export_tmp_name' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to write .xls/.xlsx files to arbitrary locations on the server, which can be used to stage further attacks.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
Common Weakness Enumeration
References
https://plugins.trac.wordpress.org/browser/ninja-forms-excel-export/trunk/includes/Admin/ExtractPostData.php#L125
https://plugins.trac.wordpress.org/browser/ninja-forms-excel-export/trunk/includes/Handlers/ExportFile.php#L485
https://plugins.trac.wordpress.org/browser/ninja-forms-excel-export/trunk/ninja-forms-excel-export.php#L95
https://www.wordfence.com/threat-intel/vulnerabilities/id/24fb24cc-c29f-4d2d-87ba-5d211386e7dd?source=cve