CVE-2025-49253
📋 TL;DR
This CVE describes a PHP Local File Inclusion vulnerability in the Lasa WordPress theme. Attackers can exploit improper filename control in include/require statements to read sensitive files or execute arbitrary code. All WordPress sites using Lasa theme versions up to 1.1 are affected.
💻 Affected Systems
- WordPress Lasa Theme
⚠️ 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
Remote code execution leading to complete system compromise, data theft, and website defacement.
Likely Case
Sensitive file disclosure (configuration files, database credentials) and limited code execution.
If Mitigated
Unauthorized file access prevented, but vulnerability remains present.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.1
Vendor Advisory: https://patchstack.com/database/wordpress/theme/lasa/vulnerability/wordpress-lasa-1-1-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Update Lasa theme to latest version via WordPress admin panel. 2. If update not available, remove the theme entirely. 3. Replace with secure alternative theme.
🔧 Temporary Workarounds
Disable Lasa Theme
allSwitch to default WordPress theme to remove vulnerable component
wp theme activate twentytwentyfour
wp theme delete lasa
Restrict PHP File Operations
linuxAdd .htaccess rules to block malicious file inclusion attempts
RewriteEngine On
RewriteCond %{QUERY_STRING} (.*)(include|require)(.*) [NC]
RewriteRule .* - [F,L]
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block LFI patterns
- Restrict file system permissions and disable dangerous PHP functions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Lasa theme version 1.1 or earlierCheck Version:
wp theme list --field=name,status,version | grep lasaVerify Fix Applied:
Confirm Lasa theme is either updated to version after 1.1 or completely removed📡 Detection & Monitoring
Log Indicators:
- Unusual file path patterns in access logs
- Multiple requests to theme files with suspicious parameters
Network Indicators:
- HTTP requests containing file inclusion patterns (../../etc/passwd)
- Abnormal traffic to theme PHP files
SIEM Query:
source="web_access.log" AND (uri="*lasa*" AND (query="*include*" OR query="*require*" OR query="*../*"))