CVE-2023-4824

8.8 HIGH

📋 TL;DR

This vulnerability in the WooHoo Newspaper Magazine WordPress theme allows attackers to trick logged-in administrators into changing theme settings without their knowledge via Cross-Site Request Forgery (CSRF). Attackers can craft malicious requests that execute when an admin visits a compromised page, potentially modifying critical site configurations. Only WordPress sites using the vulnerable theme are affected.

💻 Affected Systems

Products:
  • WooHoo Newspaper Magazine WordPress Theme
Versions: All versions before patch
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the theme active and an admin user logged in. The vulnerability exists in theme settings update functionality.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could completely compromise the WordPress site by changing critical settings, redirecting traffic, injecting malicious code, or disabling security features, potentially leading to complete site takeover.

🟠

Likely Case

Attackers would modify theme settings to inject malicious content, redirect users to phishing sites, or change site appearance/functionality to serve malicious purposes.

🟢

If Mitigated

With proper CSRF protections, admin actions require explicit consent, preventing unauthorized setting changes even if admin visits malicious pages.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires social engineering to get admin to visit malicious page. CSRF attacks are well-understood and easy to implement.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Latest version from theme developer

Vendor Advisory: https://wpscan.com/vulnerability/71c616ff-0a7e-4f6d-950b-79c469a28263

Restart Required: No

Instructions:

1. Update to latest version of WooHoo Newspaper Magazine theme. 2. Verify theme settings pages now include CSRF tokens (nonce verification). 3. Clear any cached malicious settings.

🔧 Temporary Workarounds

Implement CSRF Protection Manually

all

Add nonce verification to theme settings update functions

Edit theme PHP files to add wp_nonce_field() and wp_verify_nonce() checks

Use Security Plugin

all

Install WordPress security plugin that adds CSRF protection

Install and configure Wordfence, Sucuri, or similar security plugin

🧯 If You Can't Patch

  • Restrict admin access to trusted networks only
  • Implement strict Content Security Policy (CSP) to prevent malicious script execution

🔍 How to Verify

Check if Vulnerable:

Check if theme settings update forms lack nonce parameters. Review theme PHP files for missing wp_verify_nonce() calls in settings update functions.

Check Version:

Check WordPress admin panel > Appearance > Themes for WooHoo Newspaper Magazine version

Verify Fix Applied:

Verify theme update forms now include _wpnonce parameter and settings update functions validate it with wp_verify_nonce().

📡 Detection & Monitoring

Log Indicators:

  • Multiple theme setting changes from same admin session
  • Theme setting updates without corresponding admin page visits

Network Indicators:

  • POST requests to theme settings endpoints without Referer header or nonce parameters
  • Unusual theme setting changes

SIEM Query:

source="wordpress" AND (event="theme_settings_update" AND NOT nonce_verified="true")

🔗 References

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