Contact Form by Bit Form <= 2.17.4 - Authenticated (Administrator+) Server-Side Request Forgery
Strategic Overview
- Status
- Patched in 2.17.5
- Affected Plugin
- Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder
- Affected Version
<= 2.17.4- CVSS
- 3.8Low
- Weakness type
- CWE-918 · Server-Side Request Forgery (SSRF)
- CVE
CVE-2024-13450
At a glance
CVE-2024-13450 is a low-severity Server-Side Request Forgery (SSRF) vulnerability in the Bit Form WordPress plugin, affecting versions <= 2.17.4. It carries a CVSS score of 3.8 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Administrator level or above. The issue is fixed in version 2.17.5; sites on affected versions should update now. Disclosed January 2025, reported by Francesco Carlucci.
Vulnerability Overview
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 Server-Side Request Forgery in all versions up to, and including, 2.17.4 via the Webhooks integration. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. The vulnerability can also be exploited in Multisite environments.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.
CWE-918: Server-Side Request Forgery (SSRF)
Reaching this weakness in Bit Form <= 2.17.4 takes an account at Administrator level or above. Server-side request forgery means the application fetches a URL supplied by the caller, turning the server into a proxy for requests the attacker could not make directly.
The request originates from inside the hosting network, which is how these flaws reach cloud metadata endpoints, internal admin panels and services that trust local traffic. For Bit Form the fix is 2.17.5: builds <= 2.17.4 are affected, anything from 2.17.5 onward is not.
Remediation
Update to version 2.17.5, or a newer patched version
How does WordSec protect against this?
An attacker needs Administrator access first, so the firewall sees the attempt as traffic from a logged-in account: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Bit Form 2.17.5 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder
- 9.8CVE-2025-6679: Contact Form by Bit Form… Arbitrary File Upload
CVE-2025-6679 - 9.8CVE-2022-4774: Bit Form <= 1.8.1 Arbitrary File Upload to RCE
CVE-2022-4774 - 9.0CVE-2024-7777: Contact Form by Bit… Arbitrary File Read And Deletion
CVE-2024-7777 - 8.7CVE-2024-7782: Contact Form by Bit Form Authenticater
CVE-2024-7782 - 7.5CVE-2026-13693: Bit Form <= 3.0.0 Arbitrary File Read
CVE-2026-13693 - 7.2CVE-2026-16573: Bit Form <= 3.1.0 Stored Cross-Site Scripting
CVE-2026-16573 - 7.2CVE-2025-30885: Bit Form – Contact Form Plugin <= 2.18.0 Open Redirect
CVE-2025-30885 - 7.2CVE-2024-47319: Bit Form – Contact Form Plugin Arbitrary File Upload
CVE-2024-47319
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