CVE-2025-53464
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WP Mailto Links WordPress plugin allows attackers to inject malicious scripts into web pages that persist across sessions. WordPress sites using vulnerable versions of this plugin are affected, potentially compromising visitor data and site integrity.
💻 Affected Systems
- WP Mailto Links 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 credentials, deface websites, redirect visitors to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, perform actions on behalf of users, or display phishing content.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
Requires attacker to have ability to inject malicious input that gets stored and rendered by the plugin. Typically requires some level of access or user interaction.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.1.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Mailto Links' and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable Plugin
WordPressTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-mailto-links
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Mailto Links versionCheck Version:
wp plugin get wp-mailto-links --field=versionVerify Fix Applied:
Verify plugin version is 3.1.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing script tags or JavaScript payloads to plugin endpoints
- Multiple failed attempts to access admin functions
Network Indicators:
- HTTP requests with suspicious parameters containing script tags or JavaScript
SIEM Query:
source="wordpress" AND ("wp-mailto-links" OR "mailto") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")