Contact Form by Bit Form - Bit Form <= 2.20.3 - Unauthenticated Arbitrary File Upload
Vulnerability Description
The Bit Form builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 2.20.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. For this to be exploitable, the PRO version needs to be installed and activated as well. Additionally a form with an advanced file upload element needs to be published.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-6679
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Nguyen Tan Phat
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6e2e294f-904b-4674-8baf-d3a9a260d634?source=cve
- https://wordpress.org/plugins/bit-form/
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3343461%40bit-form%2Ftrunk&old=3336733%40bit-form%2Ftrunk&sfp_email=&sfph_mail=
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