CVE-2025-24546
📋 TL;DR
This CSRF vulnerability in the RSTheme Ultimate Coming Soon & Maintenance WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. It affects all WordPress sites using this plugin from version n/a through 1.0.9. Attackers could modify plugin settings without the admin's knowledge.
💻 Affected Systems
- RSTheme Ultimate Coming Soon & Maintenance WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could change the coming soon/maintenance page settings to redirect visitors to malicious sites, inject malicious content, or disable the site's public access entirely.
Likely Case
Attackers modify the maintenance page to display phishing content or redirect users to malicious sites, damaging site reputation and potentially stealing credentials.
If Mitigated
With proper CSRF protections and admin awareness, the risk is minimal as it requires admin interaction with malicious content.
🎯 Exploit Status
Exploitation requires tricking an authenticated admin to click a malicious link while logged into WordPress admin panel.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'Ultimate Coming Soon & Maintenance'. 4. Click 'Update Now' if available. 5. If no update appears, download version 1.1.0+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate ultimate-coming-soon
CSRF Protection via .htaccess
linuxAdd CSRF protection headers at web server level
Header set X-Frame-Options "DENY"
Header set Content-Security-Policy "frame-ancestors 'none'"
🧯 If You Can't Patch
- Disable the Ultimate Coming Soon & Maintenance plugin entirely
- Implement web application firewall (WAF) rules to block CSRF attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ultimate Coming Soon & Maintenance → Version. If version is 1.0.9 or earlier, you are vulnerable.Check Version:
wp plugin get ultimate-coming-soon --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.1.0 or higher in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
- Multiple failed CSRF token validations in WordPress logs
Network Indicators:
- Suspicious referrer headers in admin area requests
- Unexpected iframe loads in admin panel
SIEM Query:
source="wordpress.log" AND ("ultimate-coming-soon" OR "ucs_") AND ("admin-ajax" OR "wp-admin")