CVE-2026-1947

NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_set_entry_update_id

CVSS 7.5 HIGHEPSS 0.3%CWE-639

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

webaways · NEX-Forms – Ultimate Forms Plugin for WordPress

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References

https://plugins.trac.wordpress.org/changeset/3470888/nex-forms-express-wp-form-builder https://www.wordfence.com/threat-intel/vulnerabilities/id/b2a8c307-2430-4ea9-afe0-e5e758eabdd1?source=cve