CVE-2025-31433
📋 TL;DR
A stored cross-site scripting (XSS) vulnerability in the Magic Embeds WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers. This affects all WordPress sites using Magic Embeds versions up to 3.1.2.
💻 Affected Systems
- Magic Embeds 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, redirect users to malicious sites, or deploy malware to visitors' browsers.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and site integrity.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity once the injection point is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Magic Embeds plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Disable Magic Embeds plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate magic-embeds
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
- Implement web application firewall (WAF) rules to block XSS payloads
- Disable user input fields that accept HTML/JavaScript in Magic Embeds functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Magic Embeds version. If version is 3.1.2 or earlier, you are vulnerable.
Check Version:
wp plugin get magic-embeds --field=version
Verify Fix Applied:
After updating, verify Magic Embeds version is 3.1.3 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Magic Embeds endpoints with script tags
- JavaScript payloads in WordPress content or comments
Network Indicators:
- Outbound connections to suspicious domains from your WordPress site
- Unexpected iframe or script loads in page responses
SIEM Query:
source="wordpress" AND ("magic-embeds" OR "wp-embed-facebook") AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")