CVE-2026-18325

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Forged Upload Record via Select Field in all versions up to, and including, 1.56.1 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. The exploit is possible because Forminator_Core::sanitize_array() skips all filtering for keys prefixed with 'select-', and set_field_data() treats a submitted 'return' member as a trusted internal flag — allowing an unauthenticated attacker to forge and persist a complete upload field record with an arbitrary file_url value without any sanitization or validation.

• CWE-79

• https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/abstracts/abstract-class-front-action.php#L127
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/class-core.php#L616
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/model/class-form-entry-model.php#L1569
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/modules/custom-forms/front/front-action.php#L1091
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/abstracts/abstract-class-front-action.php#L127
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/class-core.php#L616
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/model/class-form-entry-model.php#L1569
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/modules/custom-forms/front/front-action.php#L1091
• https://plugins.trac.wordpress.org/changeset?reponame=&new=3628716%40forminator%2Ftrunk&old=3628530%40forminator%2Ftrunk
• https://www.wordfence.com/threat-intel/vulnerabilities/id/fd9a81eb-2211-42e9-a456-fb60f3ca2c0f?source=cve

Published

Aug 6, 2026

Last Modified

Aug 6, 2026

Status

Received

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-1829The Content Visibility for Divi Builder plugin for WordPress…8.8
• CVE-2026-1830The Quick Playground plugin for WordPress is vulnerable to R…9.8
• CVE-2026-1831The YayMail - WooCommerce Email Customizer plugin for WordPr…2.7
• CVE-2026-1832The ThriveDesk – Live Chat, AI Chatbot, Helpdesk & Knowledge…4.3
• CVE-2026-18321Buffer overflow in NTPsec's Zyfer refclock allows local atta…4.7
• CVE-2026-18322The Smart Popup by Supsystic plugin for WordPress is vulnera…8.8
• CVE-2026-1833The WaMate Confirm – Order Confirmation plugin for WordPress…5.3
• CVE-2026-1834The Ibtana – WordPress Website Builder plugin for WordPress …6.4
• CVE-2026-18344The Wp Responsive Thumbnail Slider plugin for WordPress is v…6.1
• CVE-2026-18348Missing authorization check in the upload_azure, upload_sftp…4.1
• CVE-2026-1835A vulnerability was identified in lcg0124 BootDo up to e93dd…4.3
• CVE-2026-18352The User Access Manager plugin for WordPress is vulnerable t…7.5