CVE-2026-15160 Ninja Forms - Excel Export <= 3.3.6 - Missing Authorization to Authenticated (Subscriber+) XLS Write via Path Traversal
Authenticated subscribers can write Excel files to arbitrary server locations via path traversal, potentially staging further attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15160?
CVE-2026-15160 is a medium-severity path traversal vulnerability in SaturdayDrive Ninja Forms - Excel Export, published on 17 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-15160?
How do I fix CVE-2026-15160?
No fix has been published for CVE-2026-15160 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15160 being exploited?
There is no known exploitation of CVE-2026-15160 in the wild and no public exploit code.
Sources
Also known as GHSA-j6r6-rp64-mqcr.