CVE-2025-31786
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WordPress Simple Icons plugin that allows attackers to bypass access controls. It affects all WordPress sites running Simple Icons plugin versions up to 2.8.4. Attackers could exploit this to perform unauthorized actions depending on the plugin's functionality.
💻 Affected Systems
- WordPress Simple Icons 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 compromise of WordPress site through privilege escalation, data manipulation, or unauthorized administrative actions depending on what functionality lacks proper authorization checks.
Likely Case
Unauthorized access to plugin functionality, potentially allowing content modification, settings changes, or data exposure.
If Mitigated
Minimal impact if proper network segmentation, web application firewalls, and least privilege principles are already implemented.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access to vulnerable endpoints. The vulnerability is in access control logic rather than complex code execution.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.8.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Simple Icons plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 2.8.5+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Simple Icons Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate simple-icons
Web Application Firewall Rule
allBlock access to Simple Icons plugin endpoints
# Add rule to block /wp-content/plugins/simple-icons/ paths
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable WordPress security plugins that monitor for unauthorized access attempts and file changes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins → Simple Icons version. If version is 2.8.4 or earlier, you are vulnerable.Check Version:
wp plugin get simple-icons --field=versionVerify Fix Applied:
Verify Simple Icons plugin version is 2.8.5 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual access to /wp-content/plugins/simple-icons/ paths
- Multiple failed authorization attempts followed by successful access to protected endpoints
- User role changes or privilege escalation events
Network Indicators:
- HTTP requests to Simple Icons plugin endpoints from unauthorized IP addresses
- Unusual POST requests to plugin admin functions
SIEM Query:
source="wordpress.log" AND ("simple-icons" OR "wp-content/plugins/simple-icons") AND (response_code=200 OR response_code=302) AND user_role!="administrator"