What’s Vulnerable › Vulnerabilities

CVE-2024-9507: Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder <= 2.15.2 - Authenticated (Administrator+) Improper Input Validation via iconUpload Function to Arbitrary File Read

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-11 · updated 2026-06-17
• Weakness: CWE-20

Description

The Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder plugin for WordPress is vulnerable to arbitrary file read in all versions up to, and including, 2.15.2 due to improper input validation within the iconUpload function. This makes it possible for authenticated attackers, with Administrator-level access and above, to leverage a PHP filter chain attack and read the contents of arbitrary files on the server, which can contain sensitive information.

Affected products

• bitpressadmin Bit Form – Custom Contact Form, Multi Step, Conversational Form & Payment Form builder: through 2.15.2

References

• https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Admin/AdminAjax.php#L1210
• https://plugins.trac.wordpress.org/changeset/3165686/
• https://plugins.trac.wordpress.org/changeset/3165686/bit-form/trunk/includes/Admin/AdminAjax.php
• https://wordpress.org/plugins/bit-form/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/aa46842f-ed07-4f72-aedb-aa27baecd79c?source=cve

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