CVE-2025-23802
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in WP-Revive Adserver allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. The vulnerability affects all versions up to and including 2.2.1 of the WP-Revive Adserver WordPress plugin. WordPress site administrators using this plugin are at risk.
💻 Affected Systems
- WP-Revive Adserver 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, perform actions as authenticated users, deface websites, or redirect users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising administrator accounts.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be rendered harmless as text rather than executed code.
🎯 Exploit Status
Stored XSS vulnerabilities typically require some level of access to input fields, but once exploited, the payload persists and affects all users viewing the compromised page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP-Revive Adserver and click 'Update Now'. 4. Verify the plugin version is 2.2.2 or higher.
🔧 Temporary Workarounds
Disable WP-Revive Adserver Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-revive-adserver
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'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Disable the WP-Revive Adserver plugin immediately
- Implement web application firewall rules to block XSS payload patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WP-Revive Adserver version
Check Version:
wp plugin list --name=wp-revive-adserver --field=version
Verify Fix Applied:
Verify WP-Revive Adserver version is 2.2.2 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WP-Revive Adserver endpoints containing script tags or JavaScript
- Multiple failed login attempts following suspicious plugin activity
Network Indicators:
- Outbound connections to unknown domains from WordPress server
- Unexpected JavaScript execution in browser developer tools
SIEM Query:
source="wordpress.log" AND ("wp-revive-adserver" OR "XSS" OR "script" OR "javascript")