CVE-2025-49946
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Auto Login After Registration WordPress plugin. When exploited, it enables reflected cross-site scripting attacks that can steal user credentials or perform unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Auto Login After Registration 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, take over WordPress sites, install backdoors, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers steal user session cookies or credentials, perform unauthorized actions on behalf of users, or deface websites through injected content.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, and impact would be limited to failed exploitation attempts.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. Attackers can craft malicious URLs containing JavaScript payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Auto Login After Registration'. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin, then install the latest version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate auto-login-after-registration
Web Application Firewall Rules
allImplement WAF rules to block XSS payloads targeting the vulnerable endpoint
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use web application firewall to filter malicious input and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'Auto Login After Registration' version 1.0.0 or earlier
Check Version:
wp plugin get auto-login-after-registration --field=version
Verify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin panel, or test with safe XSS payloads to confirm proper input sanitization
📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing JavaScript payloads
- Multiple failed login attempts from unexpected sources
- Requests to plugin-specific endpoints with suspicious parameters
Network Indicators:
- HTTP requests with encoded JavaScript in query parameters
- Traffic patterns showing users being redirected to malicious sites
SIEM Query:
source="wordpress.log" AND ("auto-login-after-registration" OR "xss" OR "script" OR "alert(")