CVE-2025-57911
📋 TL;DR
This DOM-based cross-site scripting vulnerability in the WPFactory Adverts WordPress plugin allows attackers to inject malicious scripts into web pages viewed by users. It affects all WordPress sites running Adverts plugin versions up to 1.4. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WPFactory Adverts 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the context of the vulnerable page.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing any impact.
🎯 Exploit Status
Exploitation requires user interaction with malicious input, typically through crafted links or forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.4
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Adverts' plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and remove plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Input Sanitization Filter
allAdd custom PHP filter to sanitize all user input before processing by the Adverts plugin.
Add to theme's functions.php: add_filter('adverts_process_input', 'sanitize_text_field');
🧯 If You Can't Patch
- Disable or remove the Adverts plugin immediately.
- Implement Content Security Policy (CSP) headers to restrict script execution.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Adverts version 1.4 or earlier.
Check Version:
wp plugin list --name=adverts --field=version
Verify Fix Applied:
Verify plugin version is greater than 1.4 in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests to Adverts plugin endpoints with script tags or JavaScript payloads.
- Multiple failed login attempts following Adverts-related requests.
Network Indicators:
- HTTP requests containing <script> tags or JavaScript code in parameters targeting /wp-content/plugins/adverts/ paths.
SIEM Query:
source="web_logs" AND uri.path="/wp-content/plugins/adverts/" AND (http.request.uri.query CONTAINS "<script>" OR http.request.body CONTAINS "javascript:")