CVE-2026-12142 json
NEX-Forms <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting via '_name[]' Array Parameter
published 4mo ago modified 4mo ago also EUVD-2026-40944
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via '_name[]' Array Parameter in all versions up to, and including, 9.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The wp_kses() output filtering pass provides no mitigation because NEXForms_allowed_tags() explicitly permits <script>, <iframe src/srcdoc>, and JS event handlers such as onClick, onBlur, and onChange in its allow-list.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4mo ago
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- webaways NEX-Forms – Ultimate Forms Plugin for WordPress
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/da235dea-4884-4e6a-a8b8-65d34f050684?source=cve
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/main.php#L2903
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/main.php#L2720
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/main.php#L2660
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/includes/classes/class.db.php#L2660
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/includes/classes/class.db.php#L2809
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.2.2/includes/classes/class.functions.php#L2343
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php#L2903
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php#L2720
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/main.php#L2660
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/includes/classes/class.db.php#L2660
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/includes/classes/class.db.php#L2809
- plugins.trac.wordpress.org /browser/nex-forms-express-wp-form-builder/tags/9.1.10/includes/classes/class.functions.php#L2343
- plugins.trac.wordpress.org /changeset?old_path=%2Fnex-forms-express-wp-form-builder/tags/9.2.2&new_path=%2Fnex-forms-express-wp-form-buil
Sources
- CVE List CVE-2026-12142
- NVD CVE-2026-12142
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.