Crocoblock JetFormBuilder WordPress Plugin Path Traversal & Arbitrary File Deletion (CVE-2026-119480)
Executive & SecOps Summary
SECOPS ASSESSMENTWordPress sites running Crocoblock JetFormBuilder plugin versions 3.6.7.1 and below
An authenticated attacker with low privileges can exploit Path Traversal to delete arbitrary system and configuration files, leading to Denial of Service (DoS)
Immediately upgrade the JetFormBuilder plugin to the patched version (3.6.8 or higher)
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Use the WordPress CLI (WP-CLI) to immediately update the JetFormBuilder plugin to the latest secure version.
# Check and update JetFormBuilder plugin to the latest version
wp plugin update jetformbuilder --allow-root2. Temporary Workaround & Hardening Configuration
If an immediate update is not feasible, implement web server rules to block directory traversal patterns and restrict access to critical configuration files.
# Block directory traversal attempts in Nginx configuration
location ~* \.\./ {
deny all;
access_log off;
log_not_found off;
}
# Restrict write permissions on wp-config.php
chmod 440 wp-config.php3. Log Audit & IoC Verification Commands
Run the following command to scan web server access logs for potential path traversal exploitation attempts targeting the JetFormBuilder plugin.
# Scan access logs for directory traversal patterns in JetFormBuilder requests
grep -Ei 'jetformbuilder.*(\.\./|%2e%2e%2f)' /var/log/nginx/access.log /var/log/apache2/access.logBlock Exploits Instantly with Managed Virtual Patching Rules
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Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2026-119480) is a Path Traversal (CWE-22) flaw identified in the Crocoblock JetFormBuilder WordPress plugin. The root cause lies in the insufficient validation and sanitization of user-supplied file path parameters within the plugin's file handling routines. This allows an attacker to inject directory traversal sequences (../) to escape the intended directory boundaries.
2. Exploitation Mechanics & Attack Scenario
An attacker with low-level authenticated access (such as a Subscriber) can craft a malicious HTTP request targeting JetFormBuilder's form submission or file processing endpoints. By manipulating the file path parameter to point to critical files (e.g., ../../wp-config.php), the backend processes the deletion request without proper authorization checks, resulting in the deletion of the targeted file.
3. Infrastructure & Business Impact
Deleting critical configuration files like wp-config.php immediately disrupts the website's database connection, causing a complete Denial of Service (DoS). Furthermore, if configuration files are deleted, an attacker might access the WordPress installation script (wp-admin/install.php) to re-install the site and gain full administrative control, posing a severe threat to business continuity.
Official Vendor Advisories & References
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Crocoblock JetFormBuilder jetformbuilder allows Path Traversal.This issue affects JetFormBuilder: from n/a through 3.6.7.1.
Frequently Asked SecOps Questions (CVE-2026-119480)
FAQQ1. How critical is CVE-2026-119480 and is it actively exploited in the wild?
CVE-2026-119480 is rated CVSS 6.5 (MEDIUM) with a 30-day EPSS exploitation probability of 0.4%. Organizations running affected versions should prioritize patching based on network exposure.
Q2. Which vendors and products are affected by CVE-2026-119480?
Primary impacted vendors include crocoblock across jetformbuilder. Scope summary: Crocoblock JetFormBuilder plugin versions up to and including 3.6.7.1
Q3. What temporary mitigations or workarounds exist for CVE-2026-119480 before patching?
[Mitigation] Immediately upgrade the JetFormBuilder plugin to the patched version (3.6.8 or higher) Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2026-119480
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