CVE-2024-50434
📋 TL;DR
This vulnerability allows attackers to include arbitrary local files in the NewsCard WordPress theme, potentially leading to remote code execution. It affects WordPress sites using the NewsCard theme version 1.3 or earlier. Attackers can exploit this to read sensitive files or execute malicious code on the server.
💻 Affected Systems
- WordPress NewsCard Theme
📦 What is this software?
Newscard by Themehorse
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through remote code execution, allowing attackers to install backdoors, steal data, or pivot to other systems.
Likely Case
Local file inclusion leading to sensitive information disclosure (database credentials, configuration files) or limited code execution.
If Mitigated
Attack blocked at web application firewall level or by file permission restrictions, resulting in failed exploitation attempts.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability. Public proof-of-concept available through security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.1 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/newscard/wordpress-newscard-theme-1-3-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for NewsCard theme update notification. 4. Click 'Update Now' for NewsCard theme. 5. Verify theme version is 1.3.1 or later.
🔧 Temporary Workarounds
Disable vulnerable theme
allSwitch to a different WordPress theme until patch can be applied
wp theme activate twentytwentyfour
Web Application Firewall rule
allBlock requests containing local file inclusion patterns
ModSecurity rule: SecRule ARGS "\.\./" "id:1001,phase:2,deny,msg:'Path Traversal Attempt'"
Cloudflare WAF rule: Block requests with '..' in URL parameters
🧯 If You Can't Patch
- Remove NewsCard theme files from server completely
- Implement strict file permissions (chmod 644 for theme files, 755 for directories)
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version in wp-content/themes/newscard/style.css or via WordPress admin panelCheck Version:
wp theme list --field=name,status,version | grep newscardVerify Fix Applied:
Confirm NewsCard theme version is 1.3.1 or later in WordPress admin > Appearance > Themes📡 Detection & Monitoring
Log Indicators:
- HTTP requests with '..' sequences in URL parameters
- PHP include/require errors in web server logs
- Unusual file access patterns in /wp-content/themes/newscard/
Network Indicators:
- HTTP GET requests with file path traversal patterns targeting NewsCard theme files
- Unusual outbound connections from web server after exploitation
SIEM Query:
source="web_server" AND (url="*..*" OR message="*include*" OR message="*require*") AND url="*newscard*"