CVE-2025-22362
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WordPress WPAchievements Free plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WPAchievements Free 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 could steal administrator session cookies, take over WordPress sites, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, perform actions on behalf of authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing execution while maintaining plugin functionality.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is confirmed, the vulnerability type is well-understood and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WPAchievements Free. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Input Sanitization Filter
allAdd custom WordPress filter to sanitize plugin inputs before processing
Add to theme's functions.php or custom plugin: add_filter('wpachievements_input', 'esc_html');
Content Security Policy
allImplement CSP header to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Or add to WordPress theme header: <meta http-equiv="Content-Security-Policy" content="script-src 'self'">
🧯 If You Can't Patch
- Immediately deactivate and remove the WPAchievements Free plugin from all WordPress installations
- Implement web application firewall (WAF) rules to block XSS payloads targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WPAchievements Free version. If version is 1.2.0 or lower, you are vulnerable.Check Version:
wp plugin list --name=wpachievements-free --field=version (if WP-CLI installed) or check WordPress admin plugins pageVerify Fix Applied:
After updating, verify plugin version is higher than 1.2.0 in WordPress admin panel. Test plugin functionality to ensure it works without XSS vectors.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wpachievements endpoints containing script tags or JavaScript
- Multiple failed login attempts following suspicious plugin activity
- Admin user actions from unexpected IP addresses
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in parameters to plugin URLs
- Outbound connections to suspicious domains following plugin page views
SIEM Query:
source="web_logs" AND (uri_path="*wpachievements*" AND (request_body="*<script>*" OR request_body="*javascript:*"))