CVE-2025-49060
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to servers running the vulnerable Wastia WordPress theme. Attackers can achieve remote code execution and full server compromise. All WordPress sites using Wastia theme versions before 1.1.3 are affected.
💻 Affected Systems
- CMSSuperHeroes Wastia WordPress 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
Complete server takeover with persistent backdoor installation, data theft, and use as pivot point for lateral movement.
Likely Case
Web shell upload leading to website defacement, data exfiltration, and cryptocurrency mining malware deployment.
If Mitigated
File upload attempts blocked by web application firewall or file type validation.
🎯 Exploit Status
Simple HTTP POST request with malicious file upload, no authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.3
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/wastia/vulnerability/wordpress-wastia-theme-1-1-3-arbitrary-file-upload-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Update Wastia theme to version 1.1.3 or later. 4. Verify theme is active and functioning.
🔧 Temporary Workarounds
Disable Wastia Theme
allSwitch to a different WordPress theme immediately
wp theme activate twentytwentyfour
wp theme delete wastia
Web Application Firewall Rule
linuxBlock file uploads to Wastia theme endpoints
ModSecurity rule: SecRule REQUEST_URI "@contains /wp-content/themes/wastia/" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Remove upload directory write permissions: chmod -R 755 /wp-content/themes/wastia/
- Implement file type validation at web server level using .htaccess or nginx rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version: wp theme list --field=name,status,version | grep wastiaCheck Version:
wp theme get wastia --field=versionVerify Fix Applied:
Confirm Wastia theme version is 1.1.3 or higher: wp theme get wastia --field=version📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to /wp-content/themes/wastia/ upload endpoints
- File uploads of .php, .phtml, .jsp files to theme directories
Network Indicators:
- Unusual outbound connections from web server to unknown IPs
- Large file uploads to theme paths
SIEM Query:
source="web_server" AND (uri_path="/wp-content/themes/wastia/" AND method="POST")