CVE-2026-5324

Description

The Brizy – Page Builder plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in all versions up to, and including, 2.8.11 This is due to a combination of missing nonce verification for unauthenticated form submissions, insufficient handling of FileUpload fields when no file is uploaded, and the reversal of security encoding via html_entity_decode() followed by unescaped output in the admin view. The submit_form() function skips nonce verification for non-logged-in users (api.php:198). The handleFileTypeFields() function fails to overwrite user-supplied values when no file is attached. While htmlentities() is applied during storage, html_entity_decode() reverses this on display (form-entries.php:79). The form-data.php template outputs FileUpload values directly in href attributes without esc_url(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the form Leads page.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS — Exploit Prediction

0.0012

Probability of exploitation

0.31%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://plugins.trac.wordpress.org/browser/brizy/tags/2.7.24/admin/form-entries.php#L79 https://plugins.trac.wordpress.org/browser/brizy/tags/2.7.24/admin/views/form-data.php#L11 https://plugins.trac.wordpress.org/browser/brizy/tags/2.7.24/editor/forms/api.php#L198 https://plugins.trac.wordpress.org/browser/brizy/tags/2.7.24/editor/forms/api.php#L295 https://plugins.trac.wordpress.org/browser/brizy/trunk/admin/views/form-data.php#L11 https://plugins.trac.wordpress.org/changeset/3502206/brizy/trunk/admin/views/form-data.php https://plugins.trac.wordpress.org/changeset?old_path=%2Fbrizy/tags/2.8.11&new_path=%2Fbrizy/tags/2.8.12 https://www.wordfence.com/threat-intel/vulnerabilities/id/78ec499e-5edd-4f11-9090-f79868864fee?source=cve

Frequently Asked Questions

What is CVE-2026-5324? +

The Brizy – Page Builder plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in all versions up to, and including, 2.8.11 This is due to a combination of missing nonce verification for unauthenticated form submissions, insufficient handling of FileUpload fields when no file is uploaded, and the reversal of security encoding via html_entity_decode() followed by unescaped output in the admin view. The submit_form() function skips nonce verification for non-logged-in users (api.php:198). The handleFileTypeFields() function fails to overwrite user-supplied values when no file is attached. While htmlentities() is applied during storage, html_entity_decode() reverses this on display (form-entries.php:79). The form-data.php template outputs FileUpload values directly in href attributes without esc_url(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the form Leads page. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-5324? +

CVE-2026-5324 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0012, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-5324? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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