cleantalk
Vulnerabilities and Security Researches

NEX-Forms – Ultimate Form Builder – Contact forms and much more, CVE-2026-1947

CVE, Research URL

CVE-2026-1947

Published on
Mar 16, 2026
Research Description
The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 9.1.9 via the submit_nex_form() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to to overwrite arbitrary form entries via the 'nf_set_entry_update_id' parameter.
Affected versions
max 9.1.10.
Status
vulnerable