CVE-2023-46622
📋 TL;DR
This vulnerability allows unauthenticated attackers to inject malicious scripts into web pages via the WPPizza WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. WordPress sites using WPPizza plugin versions 3.18.2 and earlier are affected.
💻 Affected Systems
- WPPizza - A Restaurant Plugin for WordPress
📦 What is this software?
Wppizza by Wp Pizza
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full control of the WordPress site, install backdoors, deface the site, or steal sensitive customer data.
Likely Case
Attackers steal user session cookies, perform actions as authenticated users, redirect users to malicious sites, or display phishing content.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.18.3 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/wppizza/wordpress-wppizza-plugin-3-18-2-reflected-cross-site-scripting-xss-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WPPizza plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable WPPizza Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate wppizza
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting WPPizza endpoints.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security features like HttpOnly and Secure flags for cookies
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WPPizza version 3.18.2 or earlier.Check Version:
wp plugin get wppizza --field=versionVerify Fix Applied:
Verify WPPizza plugin version is 3.18.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to WPPizza endpoints
- Multiple failed login attempts following suspicious URL visits
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="web_server_logs" AND (uri_path="*wppizza*" AND (query="*<script>*" OR query="*javascript:*" OR query="*%3Cscript%3E*"))