CVE-2025-49900
📋 TL;DR
This vulnerability allows attackers to escalate privileges in the Advanced Scrollbar WordPress plugin. It affects WordPress sites using Advanced Scrollbar version 1.1.8 or earlier. Attackers could gain administrative access to vulnerable WordPress installations.
💻 Affected Systems
- Advanced Scrollbar 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
Complete site takeover where attackers gain full administrative control, install backdoors, deface websites, steal sensitive data, or use the site for further attacks.
Likely Case
Attackers gain administrative privileges to modify content, install malicious plugins/themes, or access sensitive user data.
If Mitigated
Limited impact if proper access controls, monitoring, and least privilege principles are already implemented.
🎯 Exploit Status
Privilege escalation vulnerabilities in WordPress plugins are commonly exploited. Requires some level of access to the WordPress site.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.1.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Advanced Scrollbar. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Disable Advanced Scrollbar Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate advanced-scrollbar
Restrict Plugin Access
allUse WordPress security plugins to restrict who can access plugin settings
🧯 If You Can't Patch
- Remove the Advanced Scrollbar plugin completely from your WordPress installation
- Implement strict access controls and monitor for suspicious admin account activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Advanced Scrollbar → Version. If version is 1.1.8 or earlier, you are vulnerable.Check Version:
wp plugin get advanced-scrollbar --field=versionVerify Fix Applied:
Verify Advanced Scrollbar plugin version is greater than 1.1.8 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege changes in WordPress user logs
- Multiple failed login attempts followed by successful admin login
- Plugin activation/deactivation logs for Advanced Scrollbar
Network Indicators:
- Unusual admin panel access patterns
- Requests to plugin-specific admin endpoints from unexpected sources
SIEM Query:
source="wordpress.log" AND ("user_role_changed" OR "admin_login" FROM non-admin-ip)