CVE-2025-58960
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WordPress IP Based Login plugin allows attackers to inject malicious scripts that execute when other users view affected pages. The vulnerability affects all versions up to 2.4.3 of the plugin. WordPress sites using this plugin are vulnerable if they have not updated to a patched version.
💻 Affected Systems
- WordPress IP Based Login 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 user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
Exploitation requires the ability to inject malicious input that gets stored and later displayed to other users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.4.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'IP Based Login' and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable plugin
WordPressTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate ip-based-login
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Enable Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for IP Based Login version 2.4.3 or earlier
Check Version:
wp plugin get ip-based-login --field=version
Verify Fix Applied:
Verify plugin version is higher than 2.4.3 in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags or JavaScript payloads
- Multiple failed login attempts from unusual IPs if plugin misused
Network Indicators:
- HTTP requests containing suspicious script tags or JavaScript in parameters
SIEM Query:
web_requests WHERE (uri CONTAINS 'ip-based-login' OR referrer CONTAINS 'ip-based-login') AND (body CONTAINS '<script' OR body CONTAINS 'javascript:' OR parameters CONTAINS 'onload=' OR parameters CONTAINS 'onerror=')