Is CVE-2026-15160 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15160?

CVE-2026-15160 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-15160

Description

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.