CVE-2025-31081
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Enable Media Replace WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Enable Media Replace 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, take over WordPress sites, deface content, or install backdoors for persistent access.
Likely Case
Attackers craft phishing links that steal user session cookies when clicked, potentially compromising user accounts with limited privileges.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited via phishing campaigns or malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.1.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Enable Media Replace. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.1.6+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate enable-media-replace
Web Application Firewall Rules
allConfigure WAF to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security extensions that block reflected XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Enable Media Replace version 4.1.5 or earlier.
Check Version:
wp plugin get enable-media-replace --field=version
Verify Fix Applied:
Confirm plugin version is 4.1.6 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to plugin endpoints
- Multiple failed login attempts following suspicious URL visits
Network Indicators:
- HTTP requests with encoded script payloads in query parameters
- Traffic patterns showing users accessing unusual URLs with long parameter strings
SIEM Query:
source="wordpress.log" AND ("enable-media-replace" OR "emr") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")