CVE-2025-49937
📋 TL;DR
This vulnerability allows attackers to bypass authorization controls in the Smash Balloon Social Post Feed WordPress plugin, potentially accessing restricted functionality or data. It affects all WordPress sites running the custom-facebook-feed plugin version 4.3.2 or earlier. The vulnerability stems from missing authorization checks on certain plugin functions.
💻 Affected Systems
- Smash Balloon Social Post Feed (custom-facebook-feed 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
Attackers could modify plugin settings, access private Facebook feed data, or manipulate displayed content without authorization, potentially leading to content manipulation or data exposure.
Likely Case
Unauthorized users could modify plugin configuration settings, change displayed social media content, or access administrative functions they shouldn't have permission to use.
If Mitigated
With proper access controls and authentication mechanisms in place, the vulnerability would be prevented as legitimate authorization checks would block unauthorized access attempts.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access to vulnerable endpoints, but no authentication is bypassed - rather authorization checks are missing on already accessible functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.3.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Smash Balloon Social Post Feed'
4. Click 'Update Now' if update is available
5. Alternatively, download version 4.3.3+ from WordPress.org and manually update
🔧 Temporary Workarounds
Temporary Plugin Deactivation
WordPressDisable the vulnerable plugin until patched
wp plugin deactivate custom-facebook-feed
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access WordPress admin interfaces
- Add additional authentication layers or web application firewall rules to monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins, find 'Smash Balloon Social Post Feed' and verify version is 4.3.2 or earlierCheck Version:
wp plugin get custom-facebook-feed --field=versionVerify Fix Applied:
After updating, verify plugin version shows 4.3.3 or later in WordPress admin plugins list📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to plugin-specific admin-ajax.php endpoints
- Unexpected modifications to plugin settings without admin user activity
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
- Traffic patterns suggesting unauthorized configuration changes
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php") AND (action="cff_" OR plugin="custom-facebook-feed") AND user_role!="administrator"