7.5
High
CVE-2026-4373 The JetFormBuilder plugin for WordPress is vulnerable to arbitrary file read via path traversal in all versions up to,…
Description
The JetFormBuilder plugin for WordPress is vulnerable to arbitrary file read via path traversal in all versions up to, and including, 3.5.6.2. This is due to the 'Uploaded_File::set_from_array' method accepting user-supplied file paths from the Media Field preset JSON payload without validating that the path belongs to the WordPress uploads directory. Combined with an insufficient same-file check in 'File_Tools::is_same_file' that only compares basenames, this makes it possible for unauthenticated attackers to exfiltrate arbitrary local files as email attachments by submitting a crafted form request when the form is configured with a Media Field and a Send Email action with file attachment.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| JetFormBuilder — Dynamic Blocks Form Builder 3.5 | earliest → 3.5.6.2 | No fix stated |
Other CVEs of JetFormBuilder — Dynamic Blocks Form Builder
The 12 CVEs of JetFormBuilder — Dynamic Blocks Form Builder →
CVE-2026-121977
JetFormBuilder <= 3.6.8 - Unauthenticated Stored Cross-Site Scripting via Dynamic Value Block `to_set` Property
5.4
Medium
CVE-2026-111317
JetFormBuilder <= 3.6.7 - Unauthenticated Stored Cross-Site Scripting via Form Record Preset Source
7.2
High
CVE-2026-119183
JetFormBuilder <= 3.6.8 - Unauthenticated Stored Cross-Site Scripting via '%META::key%' Macro via Post Meta
7.2
High
CVE-2026-120561
The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to unauthorized modification of data…
5.3
Medium