EUVD-2026-14240
GHSA-947p-f7h4-wr4m
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
3Tags
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.
Analysis
The JetFormBuilder plugin for WordPress contains a critical path traversal vulnerability allowing unauthenticated attackers to read arbitrary files from the server. All versions up to and including 3.5.6.2 are affected. …
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Remediation
Within 24 hours: Audit all WordPress installations for JetFormBuilder plugin presence and version; disable the plugin immediately on all affected sites if business continuity permits. Within 7 days: Implement Web Application Firewall (WAF) rules to block malicious Media Field payloads; review access logs for signs of exploitation. …
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External POC / Exploit Code
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