CVE-2025-49307
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper filename control in the WP Multilang WordPress plugin. It affects all WordPress sites running WP Multilang versions up to 2.4.19, potentially leading to sensitive information disclosure or code execution.
💻 Affected Systems
- WP Multilang 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
Full server compromise through local file inclusion leading to remote code execution, data theft, and complete site takeover.
Likely Case
Sensitive file disclosure (configuration files, database credentials), limited code execution, and privilege escalation.
If Mitigated
No impact if proper file permissions and web server configurations prevent access to sensitive files.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability. Public proof-of-concept code is available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.20 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-multilang/vulnerability/wordpress-wp-multilang-2-4-19-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Multilang and click 'Update Now'. 4. Verify version is 2.4.20 or higher.
🔧 Temporary Workarounds
Disable WP Multilang Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate wp-multilang
Restrict File Access via .htaccess
linuxAdd rules to prevent access to sensitive files.
<FilesMatch "\.(php|inc|conf|config|sql|log|txt)$">
Order Deny,Allow
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block LFI patterns
- Restrict PHP file inclusion functions via php.ini (disable allow_url_include)
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → WP Multilang version. If version ≤ 2.4.19, vulnerable.Check Version:
wp plugin get wp-multilang --field=versionVerify Fix Applied:
Confirm WP Multilang version is 2.4.20 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual file include patterns in PHP error logs
- HTTP requests with file path traversal parameters
Network Indicators:
- HTTP requests containing '..', '/etc/', or other directory traversal patterns
SIEM Query:
http.url:*wp-multilang* AND (http.uri:*..* OR http.uri:*/etc/* OR http.uri:*include*)