CVE-2023-52182
📋 TL;DR
This vulnerability allows attackers to execute arbitrary PHP code through deserialization of untrusted data in the ARI Stream Quiz WordPress plugin. It affects all WordPress sites running the plugin version 1.3.0 or earlier. Successful exploitation can lead to complete site compromise.
💻 Affected Systems
- ARI Stream Quiz – WordPress Quizzes Builder
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete server takeover, data theft, malware deployment, and website defacement.
Likely Case
Unauthenticated attackers gain administrative access to WordPress, install backdoors, and steal sensitive data.
If Mitigated
With proper web application firewalls and input validation, exploitation attempts are blocked before reaching vulnerable code.
🎯 Exploit Status
Public exploit code is available, making this easily exploitable by attackers with minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.1 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/ari-stream-quiz/wordpress-ari-stream-quiz-plugin-1-3-0-php-object-injection-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find ARI Stream Quiz plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.3.1+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate ari-stream-quiz
Web Application Firewall
allDeploy WAF rules to block deserialization attacks.
🧯 If You Can't Patch
- Remove the plugin completely from all WordPress installations
- Implement strict network segmentation and isolate affected systems
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → ARI Stream Quiz version. If version is 1.3.0 or earlier, you are vulnerable.Check Version:
wp plugin get ari-stream-quiz --field=versionVerify Fix Applied:
Verify plugin version is 1.3.1 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with serialized data
- Unexpected file uploads or modifications in wp-content/plugins/ari-stream-quiz
Network Indicators:
- HTTP requests containing serialized PHP objects (O: or C: patterns)
- Traffic spikes to vulnerable endpoints
SIEM Query:
source="wordpress.log" AND ("ari-stream-quiz" OR "admin-ajax.php") AND ("O:" OR "C:" OR "s:" AND "unserialize")