🔐 CVE Alert

CVE-2026-7623

MEDIUM 6.4

SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute

CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th

The SureForms – Contact Form, Payment Form & Other Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headingWrapper' parameter in all versions up to, and including, 2.8.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, 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 Aug 1, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/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 ≤ 2.8.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/056884d2-d737-4ae5-b800-cb2ff31347ab?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/trunk/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L729 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.8.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L729 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/trunk/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L663 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.8.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L663 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.5.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L729 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sureforms/tags/2.5.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php#L663 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3523295/sureforms/tags/2.8.2/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php

Credits

Dmitrii Ignatyev