🔐 CVE Alert

CVE-2026-18406

HIGH 7.2

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

NVD ↗ CVE.org ↗ EPSS Data ↗
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