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Vulnerability record · CVE-2026-13425 · published 29 July 2026

CVE-2026-13425: Cross-site scripting vulnerability

The Database for CF7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Array Form Field Values in all versions up to, and including, 1.2.6 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. This is exploitable by unauthenticated attackers because Contact Form 7 accepts array-structured input for ordinary text fields (e.g., your-name[]) via the public REST API endpoint /wp-json/contact-form-7/v1/contact-forms/{id}/feedback, and the plugin stores submitted data using $wpdb INSERT with serialize() into a custom wp_cf7db table, bypassing WordPress save-time filtering via wp_insert_post/wp_kses.

7.2 CVSS 3.1 High EPSS 0.43% · top 65.7% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
30 Jul 2026Last modified by NVD

Description

The Database for CF7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Array Form Field Values in all versions up to, and including, 1.2.6 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. This is exploitable by unauthenticated attackers because Contact Form 7 accepts array-structured input for ordinary text fields (e.g., your-name[]) via the public REST API endpoint /wp-json/contact-form-7/v1/contact-forms/{id}/feedback, and the plugin stores submitted data using $wpdb INSERT with serialize() into a custom wp_cf7db table, bypassing WordPress save-time filtering via wp_insert_post/wp_kses.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/database-for-cf7/trunk/database-for-cf7.php#L118
https://plugins.trac.wordpress.org/browser/database-for-cf7/trunk/database-for-cf7.php#L236
https://www.wordfence.com/threat-intel/vulnerabilities/id/07fda92e-a085-42c7-a16d-1eace1dee195?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-13425), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.