CVE-2026-92144Forminator Forms <= 1.57.2 - Unauthenticated Stored Cross-Site Scripting via 'postdata-1[post-custom]' Parameter
Updated under an hour ago ()
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It affects wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.55%, higher than 44% of scored CVEs.
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The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'postdata-1[post-custom]' Parameter in all versions up to, and including, 1.57.2 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 required form submission nonce is freely obtainable by unauthenticated users via the publicly accessible wp_ajax_nopriv_forminator_get_nonce endpoint, making the full attack chain exploitable without any authentication or prior account.
- CVSS
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.55% (percentile 44)
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder wpmudev:forminator_forms_contact_form_payment_form_and_custom_form_builder (from the name) | through 1.57.2 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f6f320d2-fd24-47b5-804d-31e3afdc31ba?source=cve
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L690
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L756
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/fields/postdata.php#L1012
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L973
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L127
- https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/modules/custom-forms/front/front-action.php#L3528
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3700709%40forminator%2Ftags%2F1.57.2.1&old=3668424%40forminator%2Ftags%2F1.57.2
- https://plugins.trac.wordpress.org/changeset/3700690/forminator/trunk/library/abstracts/abstract-class-front-action.php
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.