CVE-2026-7623
SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.4
SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute
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.
- Record
CVE-2026-7623- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-51686
6.4
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.
- Record
EUVD-2026-51686- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vvqx-954c-23g6
6.4
The SureForms – Contact Form, Payment Form & Other Custom Form Builder plugin for WordPress is...
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.
- Record
GHSA-vvqx-954c-23g6- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.4
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.
- Record
CVE-2026-7623- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-7623 is a medium vulnerability (CVSS 6.4) in Brainstormforce Sureforms – Contact Form Builder, Ai Forms, Payment Form, Survey & Quiz, published August 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/056884d2-d737-4ae5-b800-cb2ff31347ab?source=cve
plugins.trac.wordpress.org/browser/sureforms/trunk/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php
plugins.trac.wordpress.org/browser/sureforms/tags/2.8.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php
plugins.trac.wordpress.org/browser/sureforms/tags/2.5.1/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php
plugins.trac.wordpress.org/changeset/3523295/sureforms/tags/2.8.2/modules/gutenberg/dist/blocks/advanced-heading/class-advanced-heading.php
nvd.nist.gov/vuln/detail/CVE-2026-7623
github.com/advisories/GHSA-vvqx-954c-23g6