CVE-2023-33212

JetFormBuilder <= 3.0.6 - Cross-Site Request Fogery via 'do_admin_action'

2023-05-24 00:00
Anonymous

Strategic Overview

Status
Patched in 3.0.7
Affected Plugin
JetFormBuilder — Dynamic Blocks Form Builder
Affected Version
<= 3.0.6
CVSS
4.3Medium
Weakness type
CWE-352 · Cross-Site Request Forgery (CSRF)
CVE
CVE-2023-33212
View all JetFormBuilder — Dynamic Blocks Form Builder vulnerabilities

At a glance

CVE-2023-33212 is a medium-severity Cross-Site Request Forgery (CSRF) vulnerability in the JetFormBuilder WordPress plugin, affecting versions <= 3.0.6. It carries a CVSS score of 4.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 3.0.7; sites on affected versions should update now. Disclosed May 2023.

Vulnerability Overview

The JetFormBuilder plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.0.6. This is due to missing or incorrect nonce validation on the 'do_admin_action' function. This makes it possible for unauthenticated attackers to perform various administrative tasks in the plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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 privileges on the target site.

CWE-352: Cross-Site Request Forgery (CSRF)

JetFormBuilder <= 3.0.6 carries this weakness at do_admin_action, and reaching it takes a caller who can reach the endpoint. Cross-site request forgery abuses the fact that browsers attach a victim's cookies to any request, so a state-changing action that only checks who you are, not whether you meant to act, can be triggered from another site.

An attacker who gets a logged-in user to load a crafted page can perform that action as them, with the impact scaling to whatever the victim's role is allowed to do. For JetFormBuilder the fix is 3.0.7: builds <= 3.0.6 are affected, anything from 3.0.7 onward is not.

Remediation

Update to version 3.0.7, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to JetFormBuilder: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: JetFormBuilder 3.0.7 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-33212https://www.wordfence.com/threat-intel/vulnerabilities/id/f37c4b2c-6f41-46b5-8427-b1883b39322ehttps://nvd.nist.gov/vuln/detail/CVE-2023-33212

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C