Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site Scripting via Product Option
| CVE | CVE-2026-5109 |
|---|---|
| CVSS | 7.2 (High) |
| Publicly Published | May 1, 2026 |
| Last Updated | May 2, 2026 |
| Researcher |
Luc Huynh from Noventiq RedTeam
- Noventiq Vietnam
|
Description
The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 2.10.0. This is due to insufficient validation and output escaping of Product Option field values. The vulnerability exists because the state validation function accepts submitted values where the wp_kses()-sanitized version matches a legitimate option value, but then stores the raw unsanitized value in the database. When administrators view entry details via the Order Summary section, the option_label is output directly without escaping (view-order-summary.php line 32), executing the injected JavaScript. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in entry data that will execute whenever an administrator accesses the entry details page.
Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.
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Vulnerability Details for Gravity Forms
| Software Type | Plugin |
|---|---|
| Software Slug | gravityforms |
| Patched? | Yes |
| Remediation | Update to version 2.10.1, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Gravity Forms
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