CVE-2024-7777 – This vulnerability in the Bit Form WordPress pl... (How to Fix)

Q: What is the severity of CVE-2024-7777?

CVE-2024-7777 has a CVSS score of 9.0 (CRITICAL). This vulnerability in the Bit Form WordPress plugin allows authenticated attackers with Administrator-level access to read and delete arbitrary files on the server due to insufficient file path validation. This can lead to remote code execution by deleting critical files like wp-config.php. WordPress sites using vulnerable versions of the Bit Form plugin are affected.

📋 TL;DR

This vulnerability in the Bit Form WordPress plugin allows authenticated attackers with Administrator-level access to read and delete arbitrary files on the server due to insufficient file path validation. This can lead to remote code execution by deleting critical files like wp-config.php. WordPress sites using vulnerable versions of the Bit Form plugin are affected.

💻 Affected Systems

Products:

Bit Form WordPress plugin

Versions: 2.0 to 2.13.9

Operating Systems: All

Default Config Vulnerable: ⚠️ Yes

Notes: Requires authenticated attacker with Administrator-level WordPress access.

📦 What is this software?

Contact Form Builder by Bitapps

View all CVEs affecting Contact Form Builder →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise via remote code execution leading to data theft, site defacement, or malware deployment.

🟠

Likely Case

Unauthorized file access and deletion leading to site disruption, configuration exposure, or privilege escalation.

🟢

If Mitigated

Limited impact if proper access controls and file permissions are in place, though file manipulation remains possible.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation requires Administrator credentials but is straightforward once authenticated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.13.10 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/bit-form

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Bit Form plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate Bit Form plugin until patched.

wp plugin deactivate bit-form

Restrict admin access

all

Limit Administrator accounts to trusted users only and implement strong authentication.

🧯 If You Can't Patch

Remove Administrator access from untrusted users immediately.
Implement file integrity monitoring for critical files like wp-config.php.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Bit Form > Version. If version is between 2.0 and 2.13.9 inclusive, it's vulnerable.

Check Version:

wp plugin get bit-form --field=version

Verify Fix Applied:

Confirm Bit Form plugin version is 2.13.10 or higher after update.

📡 Detection & Monitoring

Log Indicators:

Unusual file read/deletion requests in WordPress or web server logs from admin users.
Multiple failed login attempts followed by successful admin login and file operations.

Network Indicators:

HTTP POST requests to /wp-admin/admin-ajax.php with file manipulation parameters.

SIEM Query:

source="wordpress.log" action="file_read" OR action="file_delete" AND user_role="administrator"

📊 Metadata

CVE ID: CVE-2024-7777

CVSS v3 Score: 9.0 (CRITICAL)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H

CWE: CWE-22

Published: August 20, 2024

Last Updated: August 26, 2024

🔗 References

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🔗 Related Vulnerabilities

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