CVE-2026-18406
SureForms <= 2.12.2 - Unauthenticated Stored Cross-Site Scripting via Text Field Entity-Encoded Payload
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
The SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Text Field Entity-Encoded Payload in all versions up to, and including, 2.12.2 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.
| CWE | CWE-79 |
| Vendor | brainstormforce |
| Product | sureforms – contact form builder, ai forms, payment form, survey & quiz |
| Published | Sep 5, 2026 |
| Last Updated | Sep 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
brainstormforce / SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz
0 ≤ 2.12.2
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/8583c1f2-0820-492c-9fa1-d96e0ce2ddf2?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.12.2/assets/build/entries.js#L172 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.12.2/inc/form-submit.php#L1451 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.12.2/inc/form-submit.php#L229 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.12.2/inc/form-submit.php#L93 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.12.2/inc/helper.php#L241 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?reponame=&new=3636000%40sureforms%2Ftags%2F2.12.3&old=3618798%40sureforms%2Ftags%2F2.12.2 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3635980/sureforms/trunk/inc/form-submit.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?old_path=%2Fsureforms/tags/2.12.2&new_path=%2Fsureforms/tags/2.12.3
Credits
daroo