CVE-2025-31577
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to Appointify WordPress plugin servers. It affects all Appointify plugin installations from unknown versions through 1.0.8. Attackers can gain unauthorized access and control over affected WordPress sites.
💻 Affected Systems
- Appointify 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
Complete server compromise leading to data theft, ransomware deployment, or use as attack platform
Likely Case
Website defacement, data exfiltration, and backdoor persistence
If Mitigated
Limited impact with proper file upload restrictions and web application firewalls
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once access is obtained
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.9 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/appointify/vulnerability/wordpress-appointify-plugin-1-0-8-arbitrary-file-upload-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find Appointify plugin. 4. Update to version 1.0.9 or later. 5. Verify update completed successfully.
🔧 Temporary Workarounds
Disable Appointify Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate appointify
Web Application Firewall Rules
allBlock file uploads to Appointify endpoints
Add WAF rule to block POST requests to /wp-content/plugins/appointify/* with file uploads
🧯 If You Can't Patch
- Implement strict file upload validation on web server level
- Restrict write permissions to plugin directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Appointify versionCheck Version:
wp plugin get appointify --field=versionVerify Fix Applied:
Confirm Appointify plugin version is 1.0.9 or higher📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /wp-content/plugins/appointify/
- POST requests with executable file extensions
Network Indicators:
- HTTP POST requests with PHP/ASP/JSP files to plugin endpoints
SIEM Query:
source="web_logs" AND uri="/wp-content/plugins/appointify/*" AND (file_extension="php" OR file_extension="asp" OR file_extension="jsp")