CVE-2026-15450: The Nex Forms – Ultimate Form Builder – Lite plugin for WordPress is vulnerable to arbitrary file deletion via path traversal in versions up to, and including, 9.2.3. This is due t
The Nex Forms – Ultimate Form Builder – Lite plugin for WordPress is vulnerable to arbitrary file deletion via path traversal in versions up to, and including, 9.2.3. This is due to the delete_file() AJAX handler retrieving a file path from the database and passing it directly to unlink() with no validation (no realpath(), basename(), or allowlist check), combined with the insert_record() AJAX handler that lets the same authenticated user store an arbitrary value in the target 'location' column (wp_kses() only strips HTML tags and does not neutralize path traversal or absolute paths). This makes it possible for authenticated attackers, with admin-level access and above, to delete arbitrary files on the affected site's server, including wp-config. When the plugin's user-level option is configured to something else, this may be exploitable with lower privileges.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15450
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-15450 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Nex Forms
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-10525: The NEX-Forms WordPress plugin before 9.2.3 does not sanitise and escape some submitted form d…nvd · 2026-07-17
- highCVE-2026-57668: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerabi…nvd · 2026-07-13
- mediumCVE-2026-9017: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to autho…nvd · 2026-07-11
- highCVE-2026-13040: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stor…nvd · 2026-07-03
- highCVE-2026-12142: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stor…nvd · 2026-07-01
- mediumCVE-2026-12404: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to auth…nvd · 2026-06-27
More from NVD Recent CVEs
- mediumCVE-2026-6453: The CubeWP Framework plugin for WordPress is vulnerable to SQL Injection in all versions up to …2026-08-01
- mediumCVE-2026-18435: The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnera…2026-08-01
- mediumCVE-2026-18344: The Wp Responsive Thumbnail Slider plugin for WordPress is vulnerable to Reflected Cross-Site …2026-08-01
- mediumCVE-2026-18062: The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnera…2026-08-01
- mediumCVE-2026-18059: The PixelYourSite – Your smart PIXEL (TAG) & API Manager plugin for WordPress is vulnerable to…2026-08-01