CVE-2023-7264 – The Build App Online WordPress plugin has a wea... (How to Fix)

Q: What is the severity of CVE-2023-7264?

CVE-2023-7264 has a CVSS score of 8.1 (HIGH). The Build App Online WordPress plugin has a weak password reset mechanism that allows unauthenticated attackers to reset any user's password by guessing a 4-digit numeric code. This vulnerability affects all WordPress sites using this plugin up to version 1.0.21, potentially leading to complete account takeover.

📋 TL;DR

The Build App Online WordPress plugin has a weak password reset mechanism that allows unauthenticated attackers to reset any user's password by guessing a 4-digit numeric code. This vulnerability affects all WordPress sites using this plugin up to version 1.0.21, potentially leading to complete account takeover.

💻 Affected Systems

Products:

Build App Online WordPress Plugin

Versions: All versions up to and including 1.0.21

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Affects any WordPress installation with the vulnerable plugin activated.

📦 What is this software?

Build App Online by Buildapp

View all CVEs affecting Build App Online →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Administrator account takeover leading to complete site compromise, data theft, malware injection, and defacement.

🟠

Likely Case

Privileged user account takeover leading to unauthorized content modification, plugin/theme installation, or data access.

🟢

If Mitigated

Limited impact if strong password policies, multi-factor authentication, and monitoring are in place.

🌐 Internet-Facing: HIGH - WordPress sites are internet-facing by design, and the exploit requires no authentication.

🏢 Internal Only: LOW - This primarily affects internet-facing WordPress installations.

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Attackers can brute-force the 4-digit code (only 10,000 possibilities) using automated tools.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.22 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3000000/build-app-online/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Build App Online' and update to version 1.0.22 or later. 4. Verify update completes successfully.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate build-app-online

Restrict Access

all

Use web application firewall to block requests to vulnerable plugin endpoints.

🧯 If You Can't Patch

Implement strong password policies and multi-factor authentication for all user accounts
Monitor authentication logs for unusual password reset attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins for Build App Online version 1.0.21 or earlier.

Check Version:

wp plugin get build-app-online --field=version

Verify Fix Applied:

Verify plugin version is 1.0.22 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

Multiple failed password reset attempts from single IP
Successful password resets for multiple users from same IP

Network Indicators:

HTTP POST requests to /wp-content/plugins/build-app-online/ with reset code parameters

SIEM Query:

source="wordpress.log" AND ("build-app-online" AND "reset") AND status=200

📊 Metadata

CVE ID: CVE-2023-7264

CVSS v3 Score: 8.1 (HIGH)

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

CWE: CWE-640

Published: June 11, 2024

Last Updated: February 5, 2025

🔗 References

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