CVE-2025-46482
📋 TL;DR
This stored XSS vulnerability in the WP Quiz WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites running WP Quiz versions up to 2.0.10 are affected. Attackers can steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- MyThemeShop WP Quiz WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to WordPress sites, install backdoors, steal sensitive data, or completely compromise the website and potentially the underlying server.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, deface websites, or perform actions as authenticated users.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy headers in place.
🎯 Exploit Status
Exploitation requires contributor-level access or higher to inject malicious scripts into quiz content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.11 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-quiz/vulnerability/wordpress-wp-quiz-plugin-2-0-10-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Quiz and click 'Update Now'. 4. Verify version is 2.0.11 or higher.
🔧 Temporary Workarounds
Disable WP Quiz Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-quiz
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict plugin access to trusted users only and monitor user activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → WP Quiz versionCheck Version:
wp plugin get wp-quiz --field=versionVerify Fix Applied:
Verify WP Quiz version is 2.0.11 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to quiz creation/editing endpoints
- JavaScript payloads in quiz content fields
- Multiple failed authentication attempts followed by successful quiz edits
Network Indicators:
- Outbound connections to suspicious domains from quiz pages
- Unexpected redirects from quiz pages
SIEM Query:
source="wordpress.log" AND ("wp-quiz" OR "quiz") AND ("script" OR "javascript:" OR "onerror=" OR "onload=")