NEX-Forms <= 9.2.2 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_send_nf_email AJAX Action

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Summary

CVECVE-2026-9017
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-11 07:16:46 UTC
Updated2026-07-11 07:16:46 UTC
DescriptionThe NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 9.2.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the saved_admin_email, saved_user_email, and saved_user_email_address fields of arbitrary form entries belonging to other users, and cause the site to dispatch attacker-controlled email content to attacker-chosen recipient addresses.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Webaways NEX-Forms Ultimate Forms Plugin For WordPress affected 9.2.2 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.13/main.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.13/main.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/0af9df66-8d82-4ae8-85a1-656d8... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.13/main.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Michael Iden (Mickhat) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-19T14:51:49.000ZVendor Notified
CNA2026-07-10T17:40:45.000ZDisclosed
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